Akụrụngwa: Optical brightener OB-1 CAS #: 1533-45-5 Usoro: C28H18N2O2 Arọ: 414.45 Na-eji: Ngwaahịa a dabara adaba maka ịcha ọcha na ime ka PVC, PE, PP, ABS, PC, PA na plastik ndị ọzọ.Ọ nwere obere usoro onunu ogwu, ike mgbanwe na ezi mgbasa.Ngwaahịa a nwere oke nsi nke ukwuu ma enwere ike iji ya mee plasta na-acha ọcha maka nkwakọ nri na ihe ụmụaka ji egwuri egwu. Nkọwapụta: