Polyamide multifilament is composed of multiple monofilaments also known as polyamide multifilament, nylon multifilament, capron multifilament.  According to the number of carbon atoms in the monomer, it can be divided into nylon 6, nylon 66, etc.  Nylon composite silk has the advantages of high strength, good elasticity, wear resistance and chemical resistance, so it can be used for knitting underwear, gloves, and fishing nets, ropes, etc.