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called polyamides . it has served as a substitute mainly for hemp, cotton and silk, in products such as parachutes, cords, sails, flak vests and clothing. nylon fibers are useful in making fabrics, rope, carpets and musical strings, whereas in bulk form, nylon is used for mechanical parts including machine
identification code. items made from polycarbonate can contain the precursor monomer bisphenol a (bpa). polyether sulfone[ edit ] polyether sulfone (pes) or polysulfone is a class of specially engineered thermoplastics [ ] with high thermal, oxidative, and hydrolytic stability, and good resistance to aqueous mineral...
https://en.wikipedia.org/wiki/Thermoplastics