Ko te Nylon, ko te Polyamide ranei he whanau tino nui, ko te Polyamide 6.6 me te 6 i whakamahia i roto i te miro ahumahi. Ko te korero matū, ko te Polyamide 6 tetahi monomer me te 6 ngota waro. Ko te Polyamide 6.6 he mea hanga mai i te 2 monomers me te 6 ngota waro ia ia, ka puta ko te 6.6.