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Socks
Socks

Nylon yarn and covered spandex yarn are often used to weave socks and can improve the performance and comfort of socks. It is often mixed with cotton or wool to make strong, stretchy, breathable socks.

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Sewing Thread
Sewing Thread

Derun’s Textured polyester and nylon are widely used in sewing thread products. Synthetic yarns with their yarn evenness, strength, and colourfastness, give a superb performance than natural fibres.

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Seamless
Seamless

Nylon is a versatile material that enhances the performance and comfort of seamless fabrics. Nylon-covering spandex yarn can create a soft and elastic texture, but also provide durability and moisture absorption.

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Denim
Denim

Synthetic fibres and cotton blended materials are replacing traditional cotton denim by adding certain desirable characteristics to the fabric.
Nylon yarns: can add extra strength and durability;
Spandex yarns: add stretch and comfort;
Polyester yarns: add durability and shape retention

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AthleticWear
AthleticWear

Synthetic fibres such as polyester, nylon, and spandex are commonly used in the manufacture of athletic wear due to the moisture-wicking properties of these fibres and their ability to provide comfort and durability during athletic activities.
It wicks moisture away from the skin and dries quickly, making it ideal for sportswear.

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Zhejiang Derun Chemical Fiber Co., LTD

Our business started after the 1980’s “Chinese economic reform”. Based in Datang Industrial Zone, a world-level hosiery industry centre. Utilising our supply chain of nylon chips, polyester yarn, spandex, master-batch and collaboration with clients helps our business grow. Handling products including manufacture, processing, sales and trade of chemical fibre yarns for fabric, Covered yarns for knits and auxiliary materials. Wholesale of dope dyed chemical fibre......

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Nylon polyamide fiber properties and applications
2024/05/29
Nylon polyamide fiber properties and applications

While often unacknowledged, polyamides are foundational in abundant applications.  They empower machinery through their integration in gears and timing belts.  Moreover, their insulation keeps electricity on track. Take Kevlar for example, an aramid with unmatched heat endurance.  Beyond immense strength, it braves high temperatures.  This versatile polymer proves itself under pressure, whether you need longevity or thermal resistance.  Not your average plastics, polyamides underpin advances through stability and performance by design.  Whether engineering, fashion or elsewhere, materials like heat-defyingkevlardeliver as promised. Interested in how these ultra-durable fibers could complement plans for your next endeavor? Let's explore how together. Fundamentals of Polyamide1.Polyamide BasicsPolyamides are constructed by connecting monomers with amide bonds, generating a robust chain that renders them resilient and tough.  Visualize it as constructing with Legos—each component fits together to form something sturdy. Aliphatic Polyamides are the staples of the polyamide family.  Picture them as the bread and butter of your meals—they're essential and appear in many everyday products.  They are straightforward to fabricate and work with, which is why they are so prevalent.  You'll stumble upon them in anything from textiles to parts of your automobile.  They aren't flashy, but they get the job done and are extremely dependable.  Aromatic Polyamides, conversely, are like the star attraction at a celebration.  They are the life of the party because they are incredibly robust and can withstand heat.  Picture them as the superheroes of materials—they can handle high temperatures that would melt other plastics.  They are used in things such as bulletproof vests and helmets because they are so tough.  They also can be found in objects that require withstanding a lot of wear and tear, like airplane components.  Semi-Aromatic Polyamides are like the best of both worlds.  They appropriate a bit of the strength and heat resistance from the aromatic polyamides and combine it with the easygoing nature of the aliphatic ones.  This makes them really adaptable and capable of being used in a broad range of products.  They aren't as heat-resistant as the aromatic ones, but they are still pretty good.  They are also pretty efficient at not being affected by chemicals, which is significant in many industrial settings.  In summary, each type of polyamide has its own strengths and uses, and they all are really proficient at what they do.  Whether it's for something you wear, something that shields you, or something that just necessitates lasting a long time, there's a polyamide out there that's perfect for the duty. 2.Why Polyamides MatterPolyamides consistently deliver exceptional performance making them invaluable to many industries. Renowned for their ruggedness, they withstand tremendous forces without fracturing.  This trait proves particularly beneficial where components face perpetual stress and strain.  Their thermal resilience also distinguishes polyamides.  They preserve stability and functionality even when confronted with scorching temperatures.  This thermal resistance ensures suitability in automotive and aviation known for warmer environments. Polyamides also exhibit remarkable chemical steadiness.  They do not react or decompose upon exposure to an array of substances.  This quality underpins processing industries where materials interface with diverse chemicals.  The fusion of these traits recommends polyamides for textiles.  Employed in fabrics, they create wares that endure wear while retaining quality besides resilience.  This yields clothes and textiles that weather regular use over extended periods.  Within plastics, polyamides' tenacity and endurance make them preferable.  Used in assembling parts and modules, they construct pieces demanding longevity and fortitude especially for mechanical and electronic applications demanding reliability.  At industrial sites, polyamides often take priority because of strength and heat resistance.  They fabricate various plant fixtures and contraptions meant to function capably in challenging conditions.  To summarize, polyamides comprise a adaptable material class offering advantages for diverse needs. Dependable, applicable, and appropriate for broad applications from daily goods to sophisticated equipment, their ruggedness, thermal resilience and chemical stability make them ideally suited for applications in changing circumstances. Composition and Production of PolyamidePolyamides excel due to remarkable qualities making them indispensable across many fields. Renowned for resilience, they support substantial weights without breaking.  Especially helpful where constantly under stress and strain.  Their heat fortitude also sets them apart, staying stable and operative even under high temperatures. Perfect for automotive and aerospace dealing with warmth.  Polyamides likewise demonstrate exceptional chemical stability.  Unaffected by various chemicals on contact, crucial in processing industries facing an array of substances.  The blend of features positions polyamides as an excellent textile choice, used for long-wearing, hardy fabrics.  Resulting in clothing and textiles enduring regular wear while maintaining quality.  Within plastics, polyamides are preferred for toughness and endurance.  Manufacturing durable, long-lasting parts and components where reliability proves key, especially for mechanics and electricity.  In industrial settings, polyamides frequently chosen for strength and heat resistance.  Utilized in creating industrial parts and machinery operating competently amid challenging conditions. To summarize, polyamides constitute a malleable material family supplying an array of advantages. Reliable, useful, and adaptable across broad applications, from everyday goods to sophisticated equipment.  Their resilience, heat fortitude and chemical stability make top professionals choice for performing across circumstances. Properties of PolyamideA. Physical PropertiesPolyamide is certainly a robust material that fulfills many needs across diverse applications.  Its versatility arises from an intriguing suite of attributes worth exploring:  Firstly, polyamide is remarkably resilient against degradation through use, ensuring items remain in top form no matter their frequency of utilization.  Secondly, its balanced density translates to practicable handling absent excessive bulk, yet retains sufficiency for demanding uses.  Thirdly, polyamide excels at withstanding temperature variances, preserving integrity where thermal fluctuations prove common.  Moreover, polyamide shows striking resiliency against impacts, exhibiting damage resistance when stresses arise.  In addition, it lends admirable strength as a stalwart backbone, conferring dependability under duress. Likewise, despite brawn, polyamide maintains flexibility, bending and adapting without breaking for movables.  When opting for polyamide, one gains a durable, trustworthy material prepared for unpredictability. Quietly, it fortifies products with staying power and suppleness.  Whether apparel, automotive parts, or technologies, polyamide persists as a prudent pick for longevity through resilience.  Its chemical architecture endows properties befitting numerous fields.  Fundamentally, an intruiging amalgamation yields a material exceptionally multi-talented. B. Chemical PropertiesPolyamide possesses advantageous compositional attributes engineered to simplify and secure your life. Here are the benefits you can expect from this trustworthy material: Chemical immunity:Polyamide is impervious to chemicals. It maintains steadfastness, deflecting reactions that could undermine weaker substances.  Hence, items fabricated from polyamide retain potency even when confronted by disparate chemicals. Osmotic receptiveness:While polyamide excellently resists chemicals, it also acknowledges constraints.  It displays some susceptibility to osmosis, a process by which substances permeate a membrane.  This property proves useful in targeted applications like filtering. Toxicity aversion:Safety is paramount with polyamide. It constitutes a non-poisonous material, so concerns over harmful impacts are negligible.  Peace of mind derives from knowing polyamide is safe to use in daily-interacted products. Chemical stability:Polyamide is a consistent accompaniment in the chemical realm.  It holds structure and decomposes or alters with difficulty.  This stability is pivotal for long-lasting products requiring consistent performance. Flame resistance:Polyamide is not easily ignited.It prefers maintaining coolness literally.  This flame resistance designates it a savvy selection for environments where safety from fire carries priority.  Internally, polyamide is engineered for dependability in your products.  It resists chemicals, maintains stability, and won't contribute to fires.  Also, it is harmless to use and won't endanger you or the environment.  Whether handling chemicals, working industrially, or simply seeking durable, safe materials for everyday use, polyamide proves supportive. C. Other CharacteristicsPolyamide offers endless aesthetic possibilities for any product: Color Variations:Polyamide embraces color, with a rainbow of hues to choose from.  Vibrant reds and cool blues can customize items to match any style.  But the classic black remains timeless too. Dye Processes:Applying color is simple, like mixing icing. Dyes integrate smoothly without resistance. A pop of dye brings products to life. Textural Expressions:Smooth or textured, polyamide's looks evolve. Sleek surfaces appear modern while unique textures offer grip and intrigue. Custom Creations:Designers and makers love polyamide's moldability. It's a personal design space to envision visions and bring them to fruition. Aesthetic Appeal:The finished result looks as good as it works. Polyamide enhances fashion, autos and electronics with visual flair. Adaptive Design:Camouflage any theme - blend in or stand out.  Polyamide shifts and changes like a chameleon to suit its surroundings.  More than tough, polyamide inspires style.  Freely create products that function beautifully, carefully reflecting invested care and creativity. Polyamide allows reflecting the soul of any project through visual storytelling. Types of Polyamide and Their ApplicationsAliphatic polyamides are dependable friends who are always present for our everyday needs. Think of them like a comfortable shirt, the smooth wheels of a bicycle, or wires that protect us from electrical dangers. Whether adding softness, allowing smooth operation, or providing safety, aliphatic polyamides play an indispensable role in our lives. They are utilized in textiles to clothe us comfortably, in machinery bearings for well-oiled movement, and to insulate wires keeping us safe from shocks. Aromatic polyamides such as Kevlar are superheroes that don't back down from extremes.  Like champions of strength and heat endurance, they protect brave individuals with bulletproof protection and allow racing machines to push the limits of velocity. These polyamides are also fundamental in aerospace where reliability and prowess are paramount. Semi-aromatic polyamides offer a balanced mix of properties.  Like versatile hiking boots that retain dryness in wet conditions, they resist water and maintain stability where liquids are present. Automotive parts use them to withstand challenging roads while lightweight aircraft components rely on their durability and water resistance for safety and performance in the skies. Whether you need materials for everyday tasks or extraordinary trials, these polyamides are prepared to meet your requirements. They are more than mere substances; they are crafted solutions designed to handle everything life demands. Polyamide Fiber in Various IndustriesA. Textile IndustryPolyamide's versatile fiber plays roles throughout the textile industry, lending comfort, durability, and style to daily life in myriad ways:  Your clothing closet likely holds outfits boasting polyamide's benefits.  These lightweight, quick-drying, wrinkle-resistant fabrics empower athletic pursuits or wilderness wandering.  Whether running marathons or hiking remote trails, polyamide ensures your clothing endures.  Slip into sheets embracing your skin with a softness maintaining temperatures.  Polyamide allows restful rest through a cozy bedding exuding relaxation. Your living room furnishings, from treasured armchairs to loved sofas, showcase polyamide's longevity.  Choosing this material guarantees appearances preserved despite wear over years granting elegance.  Stroll on carpets caressing feet with cushions tolerating household traffic.  Polyamide's sturdiness rewards floors with lasting luxury. Throw back curtains gracefully insulating with elegance resisting fading.  Polyamide drapes attractively while practically treating windows.  In textiles, polyamide receives selections for blending advantages with aesthetic appeals.  Enhancing performance and durability across arrays, polyamide proves valuable wherever used for adorning homes and closets.  Whether fashion, home accents, or functional fabrics, polyamide serves dependably. B. Engineering and Industrial ApplicationsPolyamide fiberplays a pivotal part in countless engineering and industrial uses, delivering a mix of toughness, resilience, and reliability like no other material.  Helmets for high-risk work demand protection above all else. Polyamide fiber forms the unyielding shells that safely deflect harm, allowing construction crews and athletes to focus on the task at hand without fear of harm. Machinery relies on bearings to function seamlessly day after day, year after year. Polyamide fiber reinforces these vital components, enduring constant abrasion so pumps and presses can pump and press without fail, far into the future. Whether transporting potables or chemicals, piping must perform flawlessly in the harshest of habitats. As such, polyamide fiber is the material of choice for its defiance of corrosion and stability across a vast ambit of temperatures. Electricity is safer and surer when shielded by polyamide fiber, which insulates wires and cables against environmental damages while permitting the passage of energy. From scorching manifolds to vibrating linkages, automotive innards require resilience at extreme. Polyamide fiber stocks these parts with thermoresistance and durability to withstand frontier conditions beneath the hood.  Aerospace relies on lightweight strength in every gram, and polyamide fiber delivers through heat resistance and high strength-to-weight, forming aircraft innards that assure safety in the skies. In summary, polyamide fiber proves a protean and robust solution for countless engineering and industrial situations demanding performance, security, and longevity through adversity. Its characteristics make it the automatic pick for applications where nothing less than excellence will do. C. Automotive Industry1.Lightweight Components Cars are getting lighter, and polyamide plays a big role.  It helps create parts that are easier on the fuel without sacrificing strength.  2.Mechanical Parts Polyamide is used in mechanical parts that need to be tough and resistant to wear. It keeps cars running smoothly for longer. D. Electrical and Electronics1.Connectors Small but mighty, polyamide connectors ensure a secure link in electrical circuits.  They're reliable and resistant to the elements.  2.Insulating Elements Keeping you safe, polyamide insulates electrical components.  It's a protective layer that prevents shorts and other hazards. E. 3D Printing1.Filament Possibilities In the realm of 3D printing, polyamide filament offers itself as a choice both suitable and preferred. With ease of use and strength of output, fine details result. 2.Accelerating Advances Polyamide proves a difference-maker for prototypes and production runs alike. Streamlining workflows from concept to completion, resilient outcomes arise. Versatility serves applications from modeling to manufacturing, fast-tracking feasibility while building durability. Comparison with Other Materials1.Comparison with Polyester2.Distinction from PVC and Other Plastics3.Use in Specific Applications Over Competing Materials4.Why Cotton Stands OutCotton is softer and more comfortable.Cotton is natural, PVC is synthetic.Clothing: Cotton wins for comfort and natural feel.Naturally soft.Cotton is more breathable.Cotton is versatile in clothing/home items, PVC in construction/packaging.Home Decor: Cotton is chosen for softness and looks.Highly breathable.Cotton is more eco-friendly since it's biodegradable.Cotton is biodegradable, PVC is not.Eco-friendly Products: Cotton is preferred for its biodegradability.Environment-friendly biodegradability. Environmental Sustainability and Impact1.Environmental Footprint of ProductionIssues of environmental sustainability and impact are major talking points when it comes to any material, nylon being no exception.  Simply put, any material known as nylon is a type of plastic or, more precisely, polyamide that, however, has been highly successful and widespread in everything from our clothes to our car parts. The idea that underlies the importance of environmental considerations regarding the role and impact of nylon involves the production of nylon itself and the ways it impacts our world.  This leads to multiple issues surrounding the planning and implementation of any step of the lifecycle of a material such as nylon, meaning that any consideration and use of such materials have to be handled with caution.  The first consideration that has to be made when estimating the environmental impact that nylon has is the production of the material.  It is not just about shaping one material with specific qualities into a different shape with its respective use; rather, manufacturing is something that involves a significant input in the form of energy and the output of production in terms of input of raw materials.  Nylon production involves a key raw material found in petroleum, a product extracted from the Earth that can be generally and loosely described as a fossil fuel.  The process of obtaining this fossil fuel or different oil products is already a dangerous moment in the production process that can and will ruin the land that has been mined to secure petroleum derivative. Spills from pump oil into the land, making the extraction of such essential goods as water an impossible and poisoned commodity, affecting the ecosystem and wildlife.  This is beside the fact that the energy required for turning petroleum into materials such as nylon is not only substantial.  The vast majority of energy relied upon in the production this way is also carbon-based fuel that contributes to the already existing problem of greenhouse gas contributions.  Moreover, the latter is also what drives climate change, showcasing the general and concerning reliance and convenience we as humans have chosen to have in relation to our world with itself and all other human and non-human aspects. 2.Recycling and DegradabilityIn terms of recycling and degradability, it can be somewhat challenging for nylon.  As a synthetic material, nylon is not biodegradable, quite unlike paper, cotton, or other substances of natural origin. Whenever some product via which nylon has been processed, it will not be decomposed and will only add to the time of nylon’s “activity” in landfills. Thankfully, nylon can be recycled and be given a second chance to be utilized, reducing the consumption of petroleum to create new nylon. Moreover, modern recycling technology allows people manufactured not only from used nylon, which was initially compromised in terms of wear and tear but also unreusable fishing nets, and carpets, from which it can also recover nylon. Such process not only results in less waste produced but is also energy-efficient, as manufacturing nylon from its existing form consumes less fuel that is needed to make fresh nylon out of oil. 3.Long-term Environmental EffectsNylon polyamide fibers’ long-term environmental impact extends beyond its immediate effect.  Some of the major issues surrounding nylon production revolve around its contribution to climate change. As established so far, the production of nitrous oxide during the production of nylon has the ill-fated effect of accumulating more greenhouse gases in the Earth’s atmosphere. Laursen also notes that as nylon pieces of fabric degrade, the process adding the material to landfills and releasing microdebris particles back into the soil, thus, potentially affecting the fertility and quality of soil. Consequently, such an effect may have a crucial impact on plants since soil fertility and quality are directly related to the density and growth rates of plant life in a given habitat. Given that plants are the driving force behind the food chain and ensure the balance of energy matter in the ecosystem, the presence of nylon in soil may have an adverse impact on the environment. Furthermore, as pointed out by Laursen, the quality of water in the impacted environment will also drop.  As the water runoff is enhanced through irrigation processes, the waterborne nylon particles will stay in the local area and poisoning the local water. As a result, the fish and marine animals living in the water will be affected by the newly entered support, which could result in serious health issues within marine populations, and even the first case of poisoning among people. Therefore, it would be wrong to dismiss the effects of nylon on the environment.  Both manufacturers and consumers should be more careful and take significant steps in preventing the rapid deterioration of the environment resulting from the use of nylon. Manufacturers can learn new methods and tools for reducing the collected damages, such as the use of more expensive and environmentally friendly energy sources. As a result, the reduced carbon emissions that occur with the production of such materials will help to save the planet.  In addition, more bio-nylons may be created, thus lowering manufacturers' current dependence on petrol-based nylon. Similarly, consumers can make sure that they only purchase recycled nylon or make sure it is disposed of physically to have a good chance of being recycled. Overall, the challenge of nylon is environmental and involves more utilization of safe and less-threatening measures by manufacturers. Summary The story of nylon polyamide fiber illustrates the past, present, and future of both the challenges and opportunities of synthetic polymers. As our understanding of sustainability grows, so too will the trajectory of nylon. I predict that the product will continue to transform as we produce better options to meet the needs of both product performance and the life cycle of the environment. The story is not yet over but is only continuing to develop towards a sustainable future.

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Advancements in Elastic-Covered Yarn Production: Exploring All-in-One Machines
2024/04/23
Advancements in Elastic-Covered Yarn Production: Exploring All-in-One Machines

In recent years, significant technological advancements have occurred in the equipment for elastic-covered yarn production. Ten years ago, traditional air-covered machines were nearly obsolete, and five years ago, high-speed air-covered machines faced a similar fate. Today, all-in-one machines, combining elastic and covering functions, dominate elastic-covered production. However, these new production methods introduce new challenges, necessitating careful analysis by equipment designers and users. Let's delve into the winding system of the all-in-one machine, examining the rolling forms and potential issues. Spandex mechanical covered yarn consists of an inner elastic core filament (spandex) and an outer synthetic filament. It is produced by spirally wrapping stretched spandex around the core filament. Air-covered yarn (ACY), a type of spandex-covered yarn, is created by drawing outer fiber filament and spandex yarn through a specific nozzle simultaneously, forming a rhythmic network of yarn spots through compressed air injection. The all-in-one machine, used for POY of polyester or nylon, combines the processes of heating, cooling, false twisting, and spandex yarn covering into one machine. This streamlines production reduces labor and costs, and enhances fabric comfort, softness, and functionality. Compared to traditional air-covered yarn production, the all-in-one machine offers several advantages: shorter process routes, reduced production cycles and costs, improved fabric attributes, and enhanced production efficiency. It utilizes embedded hardware and software control systems for efficient man-machine dialogue, setting it apart from conventional equipment. Currently, the maximum processing speed of all-in-one machines reaches 750 m/min, significantly boosting production efficiency. These machines produce well-formed, uniform yarns of consistent quality. Leading manufacturers like Germany's Barmag and Japan's Kawada dominate this field, with domestic manufacturers also making strides. Covered yarn forming, crucial for producing uniform yarn rolls, can be achieved in two ways: bi-conical and straight-edged forming. However, various factors such as processes, equipment, and operations can lead to poorly formed filaments, including spider web silk, bumpy silk, messy silk, and parallel silk. Addressing these issues is essential to maintain production efficiency and prevent economic losses.

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China's nylon 66 industry
2024/04/23
China's nylon 66 industry

Development History: China's journey in the nylon 66 industry began with the adoption of external technologies. Landmark projects like the Pingdingshan Nylon Cord Fabric Factory, later known as Shengma, introduced Japanese technology in the 1980s. In 1998, Pingdingshan Smarter Group brought Asahi Kasei's technology from Japan for nylon 66 salt production. Since 2016, INVISTA has launched projects in Shanghai for adiponitrile and nylon 66 chips. Over the years, China has achieved self-sufficiency in key components like adipic acid, Diaminohexane, and nylon 66 chips. Shenma's nylon 66 production capacity has also gained global recognition. Development Status: Though overseas entities dominate the nylon 66 industry, the localization of adiponitrile production in China is making strides. This promises increased domestic production capacity in the future. Adiponitrile, a crucial raw material for nylon 66, faces high production barriers and oligopoly among a few global players. INVISTA, with a significant market share, holds sway over the industry. Production disruptions, like the 2018 fire at Ossunde, can cause market fluctuations. However, China's strides in adiponitrile production, including projects by Huafeng Group and Tencent Qixiang, signal a shift. With new production capacity, China aims to reduce its dependency on imports and bolster its nylon 66 industry. Industrial Expansion: In the past decade, China's nylon 66 capacity and output have risen. Yet, high import dependency persists due to limited adiponitrile supply. The ongoing shift towards domestic production is expected to reduce this dependency further. Despite this progress, challenges remain in adapting to high-end product demands and technological advancements. Nonetheless, the industry's expansion into high-value products promises enhanced competitiveness. Market Potential: Nylon 66 boasts superior qualities for various applications. Its demand spans engineering plastics and fibers, with significant potential in automotive, electronics, and machinery industries. Compared to nylon 6, nylon 66 offers better performance, especially in industrial and apparel sectors. Breakthroughs in raw material supply can lead to increased market penetration and demand for nylon 66 products. In conclusion, as China navigates through challenges and invests in technological advancements, its nylon 66 industry is poised for substantial growth and competitiveness in both domestic and global markets.

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Comparing Nylon 6 and Nylon 6,6 Yarn
2024/04/23
Comparing Nylon 6 and Nylon 6,6 Yarn

In the field of synthetic fibers, nylon 6 and nylon 6,6 are two important and innovative materials, each with unique properties and advantages. For textile manufacturers and designers, it is crucial to understand the main similarities and differences between these materials during the selection process to determine which one is most suitable for their specific needs. This article aims to explore the main characteristics of nylon 6 and nylon 6,6 and guide how to make an informed decision based on actual needs.  Main similarities: 1.Versatility: Both nylon 6 and nylon 6,6 exhibit remarkable multifunctionality, making them suitable for a wide range of application scenarios, including clothing, automotive parts, industrial fabrics, and technical textiles.  2.Strength and durability: Both nylon 6 and nylon 6,6 are known for their excellent strength and durability, making them outstanding in applications that require long-term reliable use.  3.Chemical resistance: Both materials exhibit a certain resistance to chemicals, oils, and solvents, enhancing their stability when used in harsh environments.  Main differences: 1.Chemical structure:The biggest difference between nylon 6 and nylon 66 lies in their different chemical structures. Nylon 6 is made from caprolactam, while Nylon 66 is synthesized from adipic acid and hexamethylenediamine. Nylon 66 molecules contain two hexamethylene units, which give it better mechanical properties than Nylon 6. 2.Physical properties:Compared to Nylon 6, Nylon 66 has higher tensile strength, better heat resistance, improved stability, and superior chemical resistance. These properties make Nylon 66 widely adopted in demanding conditions where superior performance is required. 3.Cost considerations:The production of Nylon 66 involves complex chemical processes and the use of more raw materials, which may result in higher production costs. However, Nylon-66's superior physical characteristics often justify its price premium as being reasonable and worthwhile.  Choose the right material:1.Performance requirements:Assess whether your product or project requires specific requirements for strength, durability, heat resistance, and chemical protection. If your industry has very high standards for mechanical properties and flexibility, we recommend selecting Nylon-66. 2.Cost considerations:Weigh your budget constraints and evaluate the cost-effectiveness ratio of Nylon-06 and Nylon-66. While the former may offer economic advantages, the latter often justifies its price premium because of its superior physical characteristics.  Conclusion: As textile professionals navigate the selection process, understanding the similarities and differences between Nylon 6 and Nylon 6,6 is essential in making an informed decision. Whether prioritizing performance, cost-effectiveness, or application-specific requirements, choosing the right material ensures optimal outcomes and customer satisfaction. By leveraging the unique properties of Nylon 6 and Nylon 6,6, manufacturers and designers can unlock a world of possibilities and innovation in the dynamic landscape of synthetic fibers.

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welcome to Yarn Expo Autumn 2023
2023/08/07
welcome to Yarn Expo Autumn 2023

Shanghai Intertextile is a premier global platform that brings together industry professionals, buyers, and exhibitors from around the world. It serves as an ideal opportunity for companies to showcase their latest products, innovations, and technologies in the textile and apparel sectors. As an exhibitor at Hall 4.1 Booth A90, you will have the chance to interact with thousands of visitors and potential customers, network with industry leaders, and explore new business opportunities. The event attracts a diverse and qualified audience, ensuring maximum exposure and impact for your brand. We look forward to welcoming you and your team at Shanghai Intertextile 2023. Together, we can make this event an extraordinary success and contribute to the advancement of the textile industry.

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2023 Exhibition Preview (1)
2023/05/24
2023 Exhibition Preview (1)

Since China opened up its economy in December of last year, it has become possible for us to travel overseas to visit our clients abroad. This is an exciting time for our company, as we have been affected by the impact of COVID-19 for the past three years, and we are now ready to expand our yarn products in the overseas market.   As a leading yarn manufacturer in China, we have always strived to maintain good relationships with our customers both locally and internationally. However, due to the travel restrictions and lockdowns caused by the pandemic, it was challenging for us to maintain those relationships effectively. We had to adapt to remote communication methods such as video conferencing and virtual meetings, which were not always ideal for building strong business relationships.   Therefore, the news that China would open up its borders came as a relief to us. We immediately began planning our trips to visit our clients abroad, where we could meet face-to-face and discuss our plans for expanding our yarn products in the overseas market. Firstly, we participated in the SaigonTex&SaigonFabric held in Vietnam in April.We understand that the international market is highly competitive, and we need to be proactive to stay ahead of our competitors. We believe that building strong personal relationships with our clients is crucial to our success. One of our main goals is to introduce our latest products to our clients abroad. We take pride in our high-quality products, and we believe that they will be well-received by the international market. We want to showcase our products in person to potential clients and demonstrate their unique features and benefits. We also plan to collect feedback from our clients regarding our products, which will help us improve our future offerings.   Another goal of ours is to identify new markets for our yarn products. We will attend The International Istanbul Yarn Fair in Türkiye in June,Our booth number is 1011A. Welcome to our booth.We recognize that different countries have different needs and preferences when it comes to textiles. Therefore, we plan to conduct market research and analysis to understand the demand for our products in various regions. By doing so, we hope to expand our customer base and increase our sales revenue. We are excited about the opportunities that lie ahead, but we are also mindful of the challenges that we may face. One of the biggest challenges for us is navigating international trade regulations and customs procedures. We must ensure that we comply with all relevant laws and regulations to avoid any legal issues. Additionally, we need to be aware of cultural differences and adapt our business practices accordingly to avoid misunderstandings or miscommunications.   Overall, we are optimistic about our prospects in the overseas market. We believe that our commitment to quality and customer service will set us apart from our competitors. We are eager to strengthen our existing relationships with our clients abroad and establish new partnerships in different regions. We are confident that by doing so, we can expand our yarn products' reach globally and achieve our business goals.

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We are waiting for visitors from almost 110 countries in The International Istanbul Yarn Fair
2023/05/09
We are waiting for visitors from almost 110 countries in The International Istanbul Yarn Fair

The International Istanbul Yarn Fair, which is the eagerly awaited meeting of the yarn industry, opened its doors at Tüyap Fair and Congress Center. The fair, which willbe held from June 1st to 3rd ,will witness numerous collaborations for 3 days.   The readt-to-wear and textile industry, which shines all over the World, gets its success from the yarn industry. The production and export capacity of Türkiye in the yarn industry, especially in cotton yarn, is increasing every year. Istanbul Yarn Fair, one of the most important exhibition in its scope, will bring together the rising Turkish textile industry and the biggest producers of the world at Tüyap Fair Convention ans Congress Center. Zhejiang Derun Chemical Fiber Co., Ltd., as a company that has been involved in the chemical fiber field since the 1980s, after three years of the COVID-19, is pleased to participate in the 19th International Istanbul Yarn Fair. Our booth is 1011A. Welcome friends from all over the world to our booth. “We are waiting for visitors from almost 110 countries”

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Intermingled Yarn NIM SIM HIM
2023/03/10
Intermingled Yarn NIM SIM HIM

Intermingled yarn In the production of Synthetic yarn, especially elastic yarn with plies or a combination of two materials, the mingling technique dramatically impacts the physical properties of the final product. In Derun's factory, textured yarn and air-covered yarn can be fed into a nozzle with compressed air and be intermingled. [picture] NIM (Non-Intermingled), SIM (Semi-Intermingled), and HIM (High-Intermingled) yarns are three types of synthetic yarns that are commonly used in the textile industry. These yarns differ in the level of intermingling between the filaments and their physical properties. Here are some differences between NIM, SIM, and HIM yarns: 1. Level of intermingling: The level of intermingling between the filaments is the main difference between these yarns. NIM yarns have no intermingling (0-10 knots per meter), SIM yarns have a low to medium level of intermingling (40-50 knots per meter), and HIM yarns have a high level of intermingling (100-120 knots per meter). 2. Filament arrangement: The arrangement of filaments in NIM, SIM, and HIM yarns is different. NIM yarns have parallel filaments that are not twisted or intermingled. SIM yarns have slightly twisted filaments that are partially intermingled. HIM yarns have filaments that are highly twisted and tightly intermingled. 3. Physical properties: The physical properties of NIM, SIM, and HIM yarns are different. NIM yarns have low elasticity and bulkiness, while SIM yarns have moderate elasticity and bulkiness. HIM yarns have high elasticity and bulkiness, making them more suitable for use in stretch fabrics and other applications where a high degree of elasticity is required. 4. Production process: The production process for NIM, SIM, and HIM yarns is different. NIM yarns are produced without any additional processing after extrusion and drawing. SIM yarns are produced by partially intermingling the filaments during the texturing process. HIM yarns are produced by highly intermingling filaments during the texturing process. Intermingled yarn is a type of synthetic yarn that is used in various textile applications. The intermingling of the yarns during this process creates a more stable and stretchable yarn with improved properties. The quality of the intermingled can be improved by controlling the process parameters such as the air pressure, nozzle design, and heat-setting temperature and time to create a stable and stretchable product.

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