Nā huahana

ʻO ka pōmaikaʻi nui o ka pepa PPH ʻo ia kona kūpaʻa ʻakika. Loaʻa i ka pepa Polypropylene ke kūpaʻa maikaʻi loa i ka waikawa a me ke kemika. He kūpaʻa hoʻi ia i ka Sulphuric Acid. ʻO kekahi pōmaikaʻi ʻē aʻe, ʻo ia ke kumukūʻai haʻahaʻa loa, ʻo Polypropylene kekahi o nā plastics ʻenekinia haʻahaʻa loa. Loaʻa i ka pepa Polypropylene ke kūpaʻa hopena kiʻekiʻe e like me ka hoʻohana ʻana o kekahi mau mea kūʻai aku ma ke ʻano he papa kākoʻo i ka wā e kuʻi ana i nā gaskets a i ʻole nā ​​​​ʻano pepa pahu.