brightener CBS-127.Our main products are optical brighteners,dye intermediates and ... used in plastics industry,text Optical Brightening Agent CBS-127CBS-127 is a highly purified optical brightener applicable to polymer, paint ... words: optical brightening agent CBS-127, optical brightener CBS-127, fluorescent brightener CBS-127, optical whitening agent CBS-127, brightener CBS-127Application:PVC: 0 ...