Sehatsetsi sa leseli ke sehlomathiso bakeng sa lihlahisoa tsa polymer (tse kang polasetiki, rabara, pente, faeba ea maiketsetso), tse ka thibelang kapa tsa monya matla a mahlaseli a ultraviolet, tsa tima oksijene ea singlet le ho qhala hydroperoxide hore e be lintho tse sa sebetseng, jj., e le hore polymer e ka felisa kapa ea liehisa monyetla oa karabelo ea photochemical le ho thibela kapa ho liehisa ts'ebetso ea ho nka lifoto tlas'a mahlaseli a khanya, ka hona ho fihlella morero oa ho lelefatsa bophelo ba tšebeletso ea lihlahisoa tsa polymer.
Lethathamo la lihlahisoa:
| Lebitso la Sehlahisoa | NOMORO EA CAS. | Kopo |
| 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, Faeba, Filimi |
| 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 | Lifilimi tsa polasetiki le tsa temo tsa PP, PE |
| LS791 | 52829-07-9&70624-18-9 | PP, EPDM |
| LS111 | 106990-43-6&65447-77-0 | PP, PE, li-copolymer tsa olefin tse kang EVA hammoho le metswako ea polypropylene le elastomers. |
| UV-3346 | 82451-48-7 | Filimi ea PE, theipi kapa filimi ea PP, theipi. |
| UV-3853 | 167078-06-0 | Polyolefin, PU, ABS resin, pente, Likhomaretsi, rabara |
| UV-3529 | 193098-40-7 | Filimi ea PE, theipi kapa filimi ea PP, theipi kapa PET, PBT, PC le PVC |
| DB75 | Sehatsetsi sa Leseli la Metsi bakeng sa PU | |
| DB117 | Sistimi ea polyurethane ea Liquid Light Stabilizer | |
| DB886 | TPU e bonaletsang kapa e 'mala o bobebe |