PP nkwakọ belt, ndị ọkà mmụta sayensị aha polypropylene, bụ a nkịtị plastic na a Mkpa ọkụ, PP na isi ihe bụ polypropylene ịbịaru ọkwa resin, n'ihi na nke ọma plasticity, ike tensile ike, ekwe iguzogide, ìhè arọ, mfe iji, wdg. A haziri ya ka ọ bụrụ eriri, e...
GỤKWUO