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Home > Blog > What are the applications of Fully Drawn Yarn (FDY) and why is it considered a versatile solution for textile applications?

What are the applications of Fully Drawn Yarn (FDY) and why is it considered a versatile solution for textile applications?

January 02,2024

As an expert in the field of yarn production, I would like to provide a detailed overview of three variants of  Fully Drawn Yarn (FDY). These high-quality yarns are widely used in various textile applications. The FDY products we will discuss include the 75D/36f Polyester FDY YARN SD Knitting Yarn, 40D/7F Nylon 6 Semi-Dull Fdy Filament Nylon Yarn, and 78dtex/24F Nylon 6 Semi-Dull Fdy Filament Nylon Yarn. All these yarns possess similar descriptions and are highly sought after in the textile industry.

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Product Description:

Fully Drawn Yarn (FDY), also referred to as nylon full-stretch yarn or nylon full-drawn yarn, is produced through a one-step spinning and drawing process. This manufacturing method guarantees consistent physical properties, including an elongation rate ranging from approximately 44% to 49% and a strength exceeding 4.2Cn/dtex. FDY showcases exceptional performance characteristics attributed to its distinctive production process.

During the manufacturing of FDY, the raw material, typically nylon, is transformed into filament yarn through a series of steps. The process begins with the melting and extrusion of the nylon chips, which are then spun into filaments. Subsequently, these filaments undergo simultaneous stretching and cooling, resulting in fully drawn yarn.

The one-step spinning and drawing method employed in FDY production ensures that the yarn possesses remarkable stability and uniformity. This stability translates into consistent elongation rates, offering reliable stretch properties in textile applications. Additionally, FDY exhibits impressive strength, making it suitable for fabrics and products that require durability and resilience.

The unique manufacturing process of FDY contributes to its excellent performance characteristics. The simultaneous stretching and cooling process facilitates the alignment of molecules within the yarn, resulting in enhanced strength and elongation properties. This molecular alignment also enhances the yarn's ability to withstand stress and resist deformation, ensuring long-lasting performance in various applications.

FDY finds widespread use across different sectors of the textile industry. Its versatility makes it suitable for various knitting and weaving machines, including warp knitting machines, circular knitting machines, water jet looms, and rapier looms. The yarn is commonly employed in the production of clothing fabrics, sportswear, high-grade clothing linings, underwear, swimsuits, ribbons, woven socks, high-grade industrial cloth, and even military products.

Furthermore, FDY can be further processed to meet specific application requirements. It can be used to create high elastic yarns, air-twisted yarn, and twisted yarns for specialized applications. This adaptability and customization options make FDY a sought-after choice among textile manufacturers.

In summary, Fully Drawn Yarn (FDY) is a nylon-based filament yarn produced through a one-step spinning and drawing process. Its unique manufacturing method ensures stable physical properties, including reliable elongation rates and exceptional strength. With its remarkable performance characteristics and versatility, FDY finds extensive use in various textile applications, catering to the diverse needs of the industry.

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75D/36f Polyester FDY YARN SD Knitting Yarn

Applications:

Fully Drawn Yarn (FDY) is a highly versatile textile material that finds extensive applications across various knitting and weaving machines. Its exceptional properties make it suitable for an array of products in the textile industry. Some of the notable applications of FDY include:

Clothing Fabrics: FDY yarn is widely used in the production of clothing fabrics, ranging from everyday wear to high-end fashion garments. The yarn's strength and elongation properties contribute to durable and comfortable fabrics, ensuring a satisfactory end-user experience.

Sportswear: FDY is a popular choice for sportswear due to its excellent stretchability and resilience. The yarn provides flexibility and freedom of movement, making it ideal for activewear, gym wear, and other sports-related apparel.

High-Grade Clothing Linings: FDY's smooth texture and reliable physical properties make it suitable for high-grade clothing linings. It adds a layer of comfort and enhances the overall feel and drape of the garment.

Underwear and Swimsuits: The elasticity and stretch recovery of FDY make it an excellent choice for underwear and swimsuit production. The yarn's ability to retain its shape ensures a snug fit and maintains the fabric's structure even during frequent use and exposure to water.

Ribbons: FDY is widely utilized in the manufacturing of ribbons due to its superior strength and luster. The yarn can be dyed in various colors and is often used for decorative purposes in the textile and packaging industries.

Woven Socks: FDY is commonly employed in the production of woven socks due to its excellent stretchability and durability. The yarn ensures a snug fit and helps maintain the shape of the socks during wear and washing.

High-Grade Industrial Cloth: FDY's robust physical properties make it suitable for high-grade industrial cloth production. It is used in applications such as filtration, conveyor belts, and technical textiles where strength and reliability are crucial.

Military Products: FDY finds application in the production of military products such as uniforms, backpacks, and equipment. Its durability, strength, and resistance to wear and tear make it an ideal choice for demanding military environments.

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40D/7F Nylon 6 Semi-Dull Fdy Filament Nylon Yarn

Product Specifications:

Originating from Zhejiang and marketed under the brand name "Derun," the Polyester FDY 75D/36F SD and Nylon 6 Semi-Dull Fdy Filament Nylon Yarns come with the following specifications:

Denier: The FDY yarns are available in a range of denier options, from 30D to 150D. Additionally, the denier can be customized based on specific customer requirements in single or double forms.

Regular Specifications: The regular specifications for these yarns include various denier and filament combinations, such as 30D/12F, 30D/24F, 40D/12F, 40D/24F, 40D/72F, 50D/24F, 50D/36F, 50D/48F, 50D/72F, 68D/18F, 68D/24F, 68D/48F, 75D/36F, 75F/72F, 75D/144F, 100D/72F, 100D/144F, 150D/96F, 150D/144F, and 150D/288F.

Luster: The yarns are available in different luster options, including BR (Bright), SD (Semi-Dull), and FD (Full Dull).

Color: Both white and black color options are available to suit various design requirements.

Usage: The FDY yarns can be utilized for knitting, hand knitting, texturing, weaving, covering, and sewing applications.

Weight: Each bobbin weighs between 3 to 8kg, ensuring convenient handling during production processes.

Packing: The yarns are packed in cartons, with 9 tons accommodated in a 20ft container and 19 tons in a 40HQ container.

Shipping Terms: The shipping terms include FOB (Free On Board) or CIF (Cost, Insurance, and Freight), providing flexibility to customers.

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78dtex/24F Nylon 6 Semi-Dull Fdy Filament Nylon Yarn

Conclusion:

Fully Drawn Yarn (FDY) is a highly versatile and widely utilized textile material. With its stable physical properties, customizable specifications, and various applications, FDY has become an essential component in the textile industry. Whether it's for clothing fabrics, sportswear, high-grade clothing linings, or industrial products, FDY offers reliable performance and exceptional quality.


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