Purchase Qty. Reference FOB Price
25-999 kg US$11.50
1,000+ kg US$10.50
Product Description
-- Optical Brightener OB-1-- Optical brightener OB-1 is an efficient fluorescent whitener for polyester fibers, and is widely used in ABS, PS, HIPS, PA (nylon), PC (polycarbonate), PP, EVA and rigid PVCplastics. Because the amount of whitening agent added is small, it should be ...