Full coarse polyester filament yarn is a continuous filament yarn made from 100% polyester (polyester fiber) through specific spinning and texturing processes, with the characteristic of "coarse denier" (higher total denier of single or multiple fibers, usually thicker than conventional fine denier polyester). Its core feature is to retain the essential properties of polyester while also possessing the structural advantages of coarse denier yarn. It is mainly used in textile fields that require yarn strength, stiffness, or texture.

100% polyester composition, no other fiber blends, therefore excellent wrinkle resistance and tensile strength, not easily deformed; And it is resistant to water washing and sun exposure (anti UV aging), easy to dry after washing, does not require frequent ironing, and is easy to maintain; Compared to the delicate texture of fine polyester filament, the yarn diameter of full coarse polyester filament is thicker, and it will present a distinct texture (such as graininess and rough patterns) when woven into fabric, suitable for creating casual, workwear or decorative fabrics, with a more three-dimensional style. Coarse yarn itself has strong rigidity, and the fabrics made from it (such as outerwear, luggage fabric, tent fabric, etc.) are firm and not soft, which can maintain the shape well and is not easy to sag. It is suitable for products that require a sense of "support". Based on the characteristics of polyester, full coarse polyester filament yarn can further endow with post-treatment functions such as waterproofing, anti fouling, and abrasion resistance, and is widely used in outdoor products (such as submachine jacket fabrics), industrial fabrics (such as filter cloth, canvas), and other scenarios, balancing practicality and durability. The cost of polyester raw materials is lower than that of natural fibers (such as cotton and wool), and the production process of full coarse polyester filament yarn is mature, with strong mass production ability. While ensuring strength and functionality, the price is more competitive, suitable for the demand of practical textiles in the mid to high end.
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