Optical brightener na-amịkọrọ ìhè UV ma na-enyeghachi ike a n'ogo a na-ahụ anya dị ka ìhè violet na-acha anụnụ anụnụ, si otú ahụ na-emepụta mmetụta na-acha ọcha na polymers.Ya mere enwere ike iji ya mee ihe na PVC, PP, PE, Eva, plastik engineering na plastik ndị ọzọ dị elu.