Nylon ama Polyamide waa qoys aad u weyn, Polyamide 6.6 iyo 6 ayaa inta badan loo isticmaali jiray dunta warshadaha.Kiimiko ahaan, Polyamide 6 waa hal monomer oo leh 6 atamka kaarboon.Polyamide 6.6 waxaa laga sameeyay 2 monomers oo leh 6 atom oo kaarboon ah midkiiba, taas oo keenta in lagu qeexo 6.6.