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1 question 1
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2 What is interlock fabric?
Interlock fabric is also known as double knit fabric that is created by interlocking two sets of knit stitches in a vertical manner. It is a variation of rib knit fabric, but instead of having vertical ridges on both sides of the fabric, interlock fabric has a smooth surface on both sides. Interlock fabric is created using a knitting machine that has two sets of needles set up in a way that allows them to interlock with one another to form a double-sided fabric. Therefore, the nature of this construction allows it to have a built-in stretch and to drape really well on the body. Interlock fabric is also commonly used as a lining material in jackets, coats, and other outerwear, as it provides warmth and a soft feel with the skin.

Easy to sew it holds its shape well, making it ideal for fitted garments.
3 What is circular knitting fabric?
Circular knit fabric is a type of knitted fabric that is produced on a circular knitting machine. It is created by knitting yarn in a continuous tube, with the fabric growing outward in a circular direction. The resulting fabric has a seamless construction, which means that there are no seams running down the length of the fabric.
As warp-knit and interlock, also circular knit fabric is two-way stretch, with application suitable for high-end and also form-fitting lingerie, according to its weight and surface.
4 Polyamide fabric, Polyester fabric, what is the difference?
Polyamide Fabric:

Polyamide is a synthetic material derived from petroleum, which first became available around World War II and was used for military products and as a silk replacement for items like stockings. Now, we’re more likely to find it in activewear, swimwear and other technical performance garments because of its durability and useful stretch properties. Polyamide fabric is commonly known as Nylon and it is made by a compound of chemical components, resulting in a long-chain chemical structure which is then extruded, spun into filaments and warped onto beams, to be suitable for different knitting processes. Nylon fabric is lightweight, durable and abrasion-resistant, making it a popular choice for a variety of applications such as clothing, outdoor gear, luggage, and industrial materials. Polyamide yarn can be weaved and knitted into a variety of fabrics: from smooth, to textured and it is suitable to be dyed in a wide range of bright colors. The hand feeling of Polyamide fabric is overall comfortable and silky-smooth, depending on the fabric and application it is designed for.

Polyester fabric:

Polyester fabric also originated from a chemical reaction of elements of fossil origins – Petroleum to be specific – resulting in a long-chain chemical structured polymer, that is extruded into filaments and then spun onto coils to be applied to different knitting processes. Polyester fabric is known for its durability, resistance to high temperatures, wicking properties, wrinkle resistance, chlorine resistance performances and the ability to retain its shape, even after repeated washings. It is also quick-drying, making it ideal for outdoor and sportswear; it can also be used for performance swimwear. The hand feeling of Polyester fabric is overall comfortable, cotton-like and soft, according to the type of yarn and the applications it is designed for. 

What is the difference between Polyamide and Polyester fabric?
  • Chemical composition: Polyamide 6 is obtained by the polymerization of caprolactam. Polyester is originated from a chemical reaction in which ethylene is the original raw material;
  • Melting point of Polyamide is around 220 ℃, while Polyester resists to higher temperature, till 260 ℃;
  • Melting point of Polyamide is around 220 ℃, while Polyester resists to higher temperature, till 260 ℃;
  • Polyamide preferred dyeing process implies the use of acid dyestuff, while for Polyester reactive dyestuff under pressure with high temperature;
  • Applications: Polyester is used mostly for clothing, specifically t-shirts and sportswear. It is versatile and can be used to make both cold and warm weather clothing. Polyamide is used for sportswear and outerwear, such as jackets, but given its embedded elastic properties it is used to make legwear, swimwear, and underwear garments;
  • Durability: Both fabrics are durable and resistant to abrasion, tearing, punctures, UV radiation and color fading.
  • Comfort: Polyamide fabric tends to feel smoother and softer to the touch, while polyester fabric can feel slightly stiffer with good compressive power properties;
  • Breathability and Wicking: Polyamide is generally considered to be more breathable than Polyester, and a more indicated choice for swimwear because it dries faster. Polyester is more likely used in sportswear, for its thermic-adaptive and compressive properties. It is important to note that the breathability as much as the wicking properties of both fabrics, can vary depending on a range of factors, such as fabric weight, knitting construction, and finishing treatments. For example, a lightweight Polyester fabric with a loose construction, may be more breathable than a heavyweight Polyamide fabric with a tight construction;
  • Colorfastness: Polyamide is more sensitive to light, chlorine and perspiration fading, while Polyester to washing, temperature, crocking, water and seawater fading.
  • Stretching properties: Polyester is overall considered more rigid than Polyamide with a lower capacity to absorb water. Its extension capacity is around +30% of its original length, while Polyamide 6.0 is around +30-45%.
Check out for more Hung Yen Polyamide and Polyester fabrics here.
5 Post-consumer and Post-industrial Recycled Polyamide,
what is the difference?
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Post-consumer Recycled Polyamide and post-industrial Recycled Polyamide are two different types of recycled yarn that are commonly used in textile applications. Both options have benefits for textile applications, first of all their contribution at reducing textile waste, by repurposing discarded materials, that would otherwise end up in landfills and in the Oceans, reducing also the impact of the direct upstream emissions in the supply chain (SCOPE 1) compared to the production of new virgin yarns.
Performance characteristics, and costs may vary depending on the specific factor, such as origin of the regenerated raw material and availability.
Post-consumer recycled Polyamide:
Post-consumer Recycled Polyamide, also known as post-consumer Nylon, is made from wastage regenerated materials, such as discarded fishing nets, carpets, and mono-components clothing. The waste material is collected, sorted, cleansed and processed chemically to become new fibers and yarns for new raw material porpoise. 
Post-industrial recycled Polyamide:
Post-industrial Recycled Polyamide, also known as pre-consumer Nylon, is made from waste materials generated by the yarn and textile manufacturing process. These materials can include items like leftover textile Nylon scraps, trimmings, and offcuts. The waste is collected, sorted, and chemically processed to become new fiber and yarn. 

Our Tour

1 What is warp-knit fabric?
Warp-knit fabric is a type of textile created by interlocking loops of yarns along the lengthwise or warp direction of the fabric. In warp-knitted fabrics, each loop is made from a separate strand of yarn that is fed into the knitting machine from a warp beam. Unlike weft-knit fabrics, which are made by interlocking loops of yarn in the widthwise or weft direction, warp-knit fabrics are generally more stable and less stretchy.

Warp-knit fabrics can be made from a variety of fibers, including synthetic materials like polyester and nylon, as well as natural fibers like cotton and wool. They are used in a wide range of applications, especially sportswear, swimwear, outerwear, lingerie, upholstery, and industrial textiles. Warp-knit fabrics is ideal for garments that require high flexibility and movement.
2 What is interlock fabric?
Interlock fabric is also known as double knit fabric that is created by interlocking two sets of knit stitches in a vertical manner. It is a variation of rib knit fabric, but instead of having vertical ridges on both sides of the fabric, interlock fabric has a smooth surface on both sides. Interlock fabric is created using a knitting machine that has two sets of needles set up in a way that allows them to interlock with one another to form a double-sided fabric. Therefore, the nature of this construction allows it to have a built-in stretch and to drape really well on the body. Interlock fabric is also commonly used as a lining material in jackets, coats, and other outerwear, as it provides warmth and a soft feel with the skin.

Easy to sew it holds its shape well, making it ideal for fitted garments.