Purchase Qty. Reference FOB Price
25-999 kg US$16.00
1,000+ kg US$12.00
Product Description
Fluorescent brightener KSN(P) and OB-1 has a similar chemical structure, but the whitening effect on polyester fibres and plastic products is better than OB-1, and the solubility of plastics is better than OB-1, a small amount can produce a very good whitening effect, which is far less than OB-1. ...