PPH Drum
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Drum Polypropylene (PPH Drum)
PPH bụ ihe e ji polypropylene arụ ọrụ nke ọma. Ọ bụ polypropylene yiri ya nke nwere oke molekul dị elu na obere ọsọ mmiri ịgbaze. O nwere ezigbo nhazi kristal, ezigbo iguzogide kemịkalụ, oke okpomọkụ na ezigbo iguzogide mmiri. Denaturation, mana ọ nwekwara ezigbo iguzogide mmetụta na obere okpomọkụ, a na-ejikarị ya eme ihe n'ụlọ ọrụ kemịkalụ.