Enwere ihe dị iche n'etiti anụ ụlọ, apet, ma ọ bụ petg?
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Enwere ihe dị iche n'etiti anụ ụlọ, apet, ma ọ bụ petg?
Enweghị ọdịiche dị n'etiti PET na APET plastic. PET bụ polyester, nke nwere aha kemịka nke polyethylene terephthalate. Enwere ike ịme PET na polymers kwekọrọ n'ụzọ abụọ bụ isi; amorphous ma ọ bụ crystalline. Fọrọ nke nta, ihe niile ị na -akpọtụrụ bụ amorphous nwere otu nnukwu ihe; m ...GỤKWUO
