IDENTIFICATION OF A POLYMER

Tents and screens are usually nylon. Floating rope is usually polypropylene. Foam upholstery cushions are usually polyurethanes. Bulletproof glass, sunglasses and reading glasses with plastic lenses are polycarbonate. Feel: Teflon and polyethylene feel waxy. Thermosets feel hard and sound brittle when dropped or struck with a metallic object. ................
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