Ngaphansi kwezimo ezikhethekile, ukumbozwa nopende njengopende ongaphandle, upende, upende wezimoto, kungasheshisa inqubo yokuguga, ngemuva kokuvezwa isikhathi eside emisebeni ye-ultraviolet, ukuguga okulula, umoya-mpilo oshisayo.
Indlela ephumelela kunazo zonke yokwenza ngcono izinga lokumelana nesimo sezulu lokumboza ukufaka i-antioxidant kanye ne-stabilizer elula, engavimbela ngempumelelo i-radicals oxidation yamahhala ku-resin yepulasitiki, ukubola kwe-hydrogen peroxide, nokubamba ama-radicals wamahhala, ukuze kunikezwe ukuvikelwa okuhlala isikhathi eside resin plastic, futhi ukubambezeleka kakhulu ukulahleka isicwebezelisi, yellowing futhi pulverization enamathela.