ʻO kēia mau pahu polyprotolene i nā hiʻohiʻona e hōʻailona ana i nā hiʻohiʻona maikaʻi a hāʻawi i ka pale umauma maikaʻi me nā maʻi maʻi, alkalis, a me nā lole a me nā lole. Hōʻikeʻia nā pale alpophylene i ka hopena o ka hopena maikaʻi, kumukūʻai kūponoʻole, a me ka piability. Kūʻai akuʻo septa.