Nylon yarn is often used to make combs, toothbrushes, clothes hooks, fan bones, mesh bag ropes, fruit outer packaging bags, etc. Non-toxic, but not long-term contact with acid and alkali. Civil use of polypropylene yarn: It can be spun purely or blended with wool, cotton or viscose to make various fabrics. It can be used to weave all kinds of knitted goods such as socks, gloves, sweaters, knitted trousers, dishcloths, mosquito nets, quilts, warm fillers, wet diapers, etc. Polypropylene non-woven fabrics; industrial uses: carpets, fishing nets, canvas, hoses, concrete reinforcements, industrial fabrics, non-woven fabrics, etc. Such as carpets, industrial filter cloths, ropes, fishing nets, building reinforcements, oil-absorbing blankets and decorative cloths. Nylon is a tough, angular, translucent or opalescent crystalline resin. The molecular weight of nylon as an engineering plastic is generally 15000-30000. Nylon 6 has high mechanical strength, high softening point, heat resistance…