ọdịiche dị n'etiti ọkpọkọ mmiri PPR na-ekpo ọkụ na oyi

Nhọrọ na ntinye nke PPR (Polypropylene Random Copolymer) ọkpọkọ na akwa akwa na-emetụta kpọmkwem na nchekwa na ịdị mma nke usoro mmiri ezinụlọ. PPR mmiri ọkpọkọ nwere nguzogide corrosion., elu okpomọkụ iguzogide, dị mfe…