Purchase Qty. Reference FOB Price
1-999 kg US$6.80
1,000+ kg US$6.00
Product Description
Optical brightener agent OB-1: Detailed Photos Product Description Two styrene base double benzene and the evil azole Properties: It is Bright yellow green crystal powder,odorless.it is hard to dissolve in water. It dissolves in paraffin,fat,mineral oil,wax and common organic ...