Optical brightener KSB imagwiritsidwa ntchito makamaka pakuyeretsa ulusi wopangira ndi zinthu zamapulasitiki.Zimakhalanso ndi zotsatira zowala kwambiri pazinthu zapulasitiki zamitundu.Amagwiritsidwa ntchito kwambiri mu mafilimu apulasitiki, zipangizo zopangira laminated, zipangizo zopangira jekeseni, etc., polyolefin, PVC, Foamed PVC, TPR, EVA, PU thovu, mphira wopangira, etc. ali ndi zotsatira zabwino zoyera.Itha kugwiritsidwanso ntchito ngati zokutira zoyera, utoto wachilengedwe, ndi zina zambiri, ndipo imakhala ndi zotsatira zapadera pamapulasitiki otulutsa thovu, makamaka EVA ndi thovu la PE.