Whitening agent OB-1.
We do not produce Whitening agent OB-1. But we buy in bulk to produce one pack/compound. We can get better price than you can. We always do 3 times quality testing and inspection in our factory. After inspection, then arrange shipment for you. If you met any quality problems due to our additives, we will bear the corresponding loss.
Appearance：Bright yellow crystalline powder
Maximum UV absorption wavelength.：434nm
Whitening agent OB-1 is specially used for the processing of plastic and PVC products at high temperature, because it has good heat resistance, light resistance and chlorine bleaching property.