Loaʻa ka lōkahi maikaʻi o Ultraviolet absorbent UV-326 me nā ʻano resins he nui, maʻalahi ʻole i nā iona metala, ʻaʻole e loli i ka melemele ma lalo o nā kumu alkaline, a liʻiliʻi ka nalo ʻana o ka wela wela. Hiki iā ia ke omo pono i nā kukuna ultraviolet me ka lōʻihi lōʻihi o 270 ~ 380nm. Loaʻa iā ia ka hopena synergistic me nā antioxidants, a he anti-oxygen resistence hoʻi ia. Kūpono kēia huahana no polyolefin (ʻo ia hoʻi nā huahana papa ʻai), polyvinyl chloride, polyamide, ABS kēpau, e like me kēpau a me polyurethane, etc.