we produce many types Optical Brightening Agent for different applications. Product CateOptical Brightening Agent For PlasticProduct NameOptical Brightening Agent PF-3Chemical Name1.2 di ... and beauty of PVC,PS,PP,polyester film, high or low voltage PE,ABS, organic glass, business card,high quality paper ... unexpected results or patent dispute caused by it. Optical Brightening Agent PF-3