Optical brightener OB Fine bụ ụdị ogige benzoxazole, ọ naghị esi ísì, sie ike igbari na mmiri, soluble na paraffin, abụba, mmanụ ịnweta mmanụ, wax na ihe mgbaze nkịtị.Enwere ike iji ya mee ihe maka ịchacha plastik thermoplastic, PVC, PS, PE, PP, ABS, Acetate fiber, agba, mkpuchi, ink na-ebipụta, wdg. na-ewepụta glaze na-egbuke egbuke na-acha anụnụ anụnụ.