... , wax and common organic solvents. It can be used for whitening thermoplastic plastics, PVC, PS, PE, PP, ABS ... , Acetate fiber, paint, coating, printing ink, etc. It can be added at any stage in the ... in identify fakless material if used in printing ink.DIRECTION FOR USAGE: Thoroughly dispersed in all those polymers.If ... in cool and dry place. Optical Brightener for printing ink /OB 184