Optical brightener OB Fine ke mofuta oa motsoako oa benzoxazole, ha o nkha, o thata ho qhibiliha ka metsing, o qhibiliha ka parafine, mafura, oli ea liminerale, boka le lihlahisoa tse tloaelehileng tsa tlhaho.E ka sebelisoa bakeng sa ho soeufatsa lipolasetiki tsa thermoplastic, PVC, PS, PE, PP, ABS, Acetate fiber, pente, ho roala, ho hatisa enke, joalo-joalo. hlahisa 'mala o bosoeu bo boputsoa bo khanyang.