Ko nga maramara polyester (polyethylene terephthalate) he mea polymerized mai i te waikawa terephthalic parakore (PTA) me te ethylene glycol.Ko te ahua he raihi kowhatu, a he maha nga momo (he maama katoa, he haurua marama, he marama nui, he cationic, tenei ngaro).I roto i te maakete o...
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