fluorescent whitening agent BA for coating(C.I.113 and Cas no.12768-92-2)2016-10-25 17:35:34 |
optical brightener BA for paper-pulp (C.I.113 and Cas no.12768-92-2)2016-10-25 17:35:34 |
optical brightening agent VBL(C.I.85 and Cas no.12224-16-7)2016-10-25 17:33:47 |