... : 202'C Optical Brightener OBC.I.184 CAS7128-64-5STRUCTURE: CHEMICAL NAME: 2,5-bis(5-tertbutyl-2-benzoxazolyl)thiopheneMOLECULAR FORMULA ... plastics, PVC, PS, PE, PP, ABS, Acetate fiber, paint, coating, printing ink, etc. It can be added at any stage in the ... as special marks in identify fakless material if used in printing ink.DIRECTION FOR USAGE: Thoroughly dispersed in all those polymers.If ...