Optical brighteners inonziwo optical brightening agents kana fluorescent whitening agents. Aya makemikari emakemikari anotora chiedza munzvimbo ye electromagnetic spectrum's ultraviolet region; idzi dzinobudisazve chiedza munharaunda yebhuruu nerubatsiro rwefluorescence
Optical brightener OB vane yakanakisa kupisa kupisa; kugadzikana kwemakemikari yakakwirira; uye zvakare kuve nekuenderana kwakanaka pakati peakasiyana resin.
Optical brightener OB-1 inopenya inopenya yepolyester fiber, uye inoshandiswa zvakanyanya muABS, PS, HUPs, PC, PP, PE, EVA, yakaoma PVC nemamwe mapurasitiki. Iyo ine hunhu hwekunakisisa kuchena mhedzisiro, yakanakisa kupisa kugadzikana etc.