Nka na ụzụ ndabere polypropylene resin n'ihi na ọ nwere ezi rigidity na okpomọkụ na-eguzogide, na mgbe mgbanwe pụtara ọgaranya, n'ihi na nke a na-eji nwayọọ nwayọọ dochie ụfọdụ engineering plastics, ọtụtụ-eji na ụgbọ ala, eletriki ngwa na ezinụlọ na ndị ọzọ ubi karịsịa na copolyme ...
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