Optical brightener OB Fine o se ituaiga o benzoxazole compound, e leai se manogi, faigata ona solo i le vai, soluble i paraffin, ga'o, suauu minerale, solo ma solu masani masani.E mafai ona faʻaaogaina mo le paʻepaʻe o le thermoplastic plastics, PVC, PS, PE, PP, ABS, Acetate fiber, vali, faʻapipiʻi, lomitusi vaitusi, ma isi. E mafai ona faʻaopoopoina i soʻo se laasaga i le faagasologa o le paʻepaʻe o polymers ma faia oloa maeʻa. tu'u mai se i'ila pa'epa'e lanumoana lanumoana.