One, look at the purpose
Polyester yarn use:
Blended cotton polyester and wool polyester are the most commonly used clothing materials, which are mainly used for weaving clothes, and can also be used as conveyor belts, tire cords, filter cloths, cables, fishing nets, etc.
Nylon yarn use:
Commonly used in fishing nets, parachutes, cables, aerospace flight suits, mountaineering suits, stockings and knitted underwear.
Second, look at the characteristics
The characteristics of polyester yarn: excellent physical and mechanical properties, high elasticity, good heat resistance, easy to wash and dry, but poor moisture absorption, poor dyeability, easy to pilling, easy to generate static electricity, but now there are also anti-static polyester yarns, this Kinds of antistatic and conductive fibers (such as: metal, metal wire, conductive resin composite fiber); sunshine fiber and ceramic fiber (ceramic powder is used for functional fiber heat storage and heat preservation); anti-ultraviolet fiber: antibacterial deodorant fiber, discoloration fiber; Air-conditioning phase change fiber (with micro twisted surface in the middle); flame retardant fiber; carbon fiber; aramid fiber; wool fiber (such as: wool, cashmere, mohair, rabbit hair, camel hair, yak hair, alpaca hair); silk fiber (Mulberry silk, tussah silk, spider silk, etc., have the advantages of lightness and good strength, and are generally used to make body armor, parachutes, sutures, etc.). (Note that wool fibers and silk fibers are traditional fibers, and spider silk fibers can be called new fibers)
Characteristics of nylon yarn:
Strong, good abrasion resistance, good elasticity, mothproof, mildewproof, good abrasion resistance, easy to dye (that is, the color fastness is better than polyester), the hand feel is waxy and slippery than polyester, but the moisture absorption is poor, easy to generate static electricity, and acid Sensitive, poor heat and light resistance, the ironing temperature should be controlled below 140°C. The shape retention is not good, there is no polyester stiff, and it is easy to wrinkle and deform.
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