Optical brightener KSB bụ nke a na-ejikarị maka ịcha ọcha nke eriri sịntetik na ngwaahịa rọba.Ọ nwekwara mmetụta dị ukwuu na-enwu gbaa na ngwaahịa rọba nwere agba.A na-ejikarị ya eme ihe na ihe nkiri plastik, ihe na-akpụzi laminated, ihe na-akpụzi injection, wdg, maka polyolefin, PVC, PVC foamed, TPR, EVA, PU foam, roba sịntetik, wdg nwere mmetụta dị ọcha nke ọma.Enwere ike iji ya mee ihe maka ịcha ọcha, ihe osise eke, wdg, ma nwee mmetụta pụrụ iche na plastik ịfụfụ, karịsịa EVA na PE foaming.