nitric acid, akā,ʻaʻole i loko o ka wai.
ʻO kēia huahana kahi papa wela wela i hoʻohanaʻia no PVC. CPVC CPOLOYMERS. Ma waho aʻe o ka hopena o kaʻaeʻana i ke ACID, loaʻa iā ia ka hiki
ʻO Anti-oxidation a me ka Ultravition a me Ultraviiot, maikaʻi maikaʻi, ka nui o ka uila