PPH Pahu
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Pahu Polypropylene (PPH Drum)
ʻO ka PPH kahi mea polypropylene hana kiʻekiʻe. He polypropylene homogenous me ke kaumaha molekala kiʻekiʻe a me ke kahe kahe haʻahaʻa. Loaʻa iā ia kahi ʻano kristal maikaʻi, kūpaʻa kemika maikaʻi loa, kūpaʻa wela kiʻekiʻe a me ke kūpaʻa creep maikaʻi. ʻO ka Denaturation, akā, loaʻa nō hoʻi ka hopena maikaʻi loa i ka haʻahaʻa haʻahaʻa, hoʻohana nui ʻia i ka ʻoihana kemika.
