Nylon is a polyamide fiber (nylon) of a statement can be made of long fiber or staple fiber. Polyamide is a polyamide fiber trade name, also known as nylon (Nylon). English name Polyamide (referred to as PA) nylon fiber high strength, wear resistance of the first of all kinds of fibers, so with the rubber pressure is the ideal car tire tires at 90 ℃ with NaoH (10%) after 16h Loss of negligible, but the nylon fiber intolerant light, easy to change color brittle, so nylon has 30 # 407 #, 663 #, 17-2 #, 17-7 # and other varieties, and nylon - 66 can not be used in pharmaceutical, food Of the manufacturers, because it is toxic, harmful to human health.