ʻO ka mea hoʻopaʻa kukui he mea hoʻohui no nā huahana polymer (e like me ka plastic, rubber, pena, fiber synthetic), hiki ke ālai a hoʻopili paha i ka ikehu o nā kukuna ultraviolet, hoʻopau i ka oxygen singlet a hoʻokaʻawale i ka hydroperoxide i nā mea hana ʻole, a pēlā aku, i hiki ai i ka polymer ke hoʻopau a hoʻolohi paha i ka hiki ke hana i ka hopena photochemical a pale a hoʻopaneʻe paha i ke kaʻina hana o ka photoaging ma lalo o ka radiation o ka mālamalama, a laila e hoʻokō ai i ke kumu o ka hoʻolōʻihi ʻana i ke ola lawelawe o nā huahana polymer.
Papa inoa huahana:
| Inoa Huahana | Helu Kūʻai. | Noi |
| LS-119 | 106990-43-6 | PP, PE, PVC, PU, PA, PET, PBT, PMMA, POM, LLDPE, LDPE, HDPE, |
| LS-622 | 65447-77-0 | PP, PE, PS ABS, PU, POM, TPE, Fiber, Kiʻiʻoniʻoni |
| LS-770 | 52829-07-9 | PP, HDPE, PU, PS, ABS |
| LS-944 | 70624-18-9 | PP, PE, HDPE, LDPE, EVA, POM, PA |
| LS-783 | 65447-77-0&70624-18-9 | Nā kiʻiʻoniʻoni PP, PE a me nā mea mahiʻai |
| LS791 | 52829-07-9&70624-18-9 | PP, EPDM |
| LS111 | 106990-43-6&65447-77-0 | ʻO PP, PE, nā copolymers olefin e like me EVA a me nā hui ʻana o ka polypropylene me nā elastomers. |
| UV-3346 | 82451-48-7 | ʻUʻiʻoniʻoni PE, lipine a i ʻole ʻuʻiʻoniʻoni PP, lipine. |
| UV-3853 | 167078-06-0 | Polyolefin, PU, ABS resin, pena, Nā mea hoʻopili, laholio |
| UV-3529 | 193098-40-7 | ʻO ke kiʻiʻoniʻoni PE, lipine a i ʻole PP-kiʻiʻoniʻoni, lipine a i ʻole PET, PBT, PC a me PVC |
| DB75 | Mea Hoʻopaʻa Mālamalama Wai no PU | |
| DB117 | Nā ʻōnaehana polyurethane Liquid Light Stabilizer | |
| DB886 | TPU aniani a māmā paha |