1.Properties:
Appearnace:bright yellow crystalline powder Melting point:357-359°C Solubility:Insoluble in water,but soluble in high boiling point organic solvents such as phenyl-chloride. Structure:a compound of diphenylethylene bisbenzoxazole type

2.Applications:
FWA OB-1 is especially suitable for shaping various kinds of plastics and their products under high temperature.It has an extra ideal whitening effect on polyester-cotton blend fabric.It can be used for whitening polyester melt.This whitening agent is similar to Whitex SNK,Uvitex ERT and Eastobrite OB-1 made in foreign country.

3.Directions for use and dosage:
The dosage should be 0.01-0.05% on weight of plastic or polyester granules.Mix the materials thoroughly before shaping of the plastic products or drawin-spinning of polyester fibers.

4.Specifications:

5.Packaging and storing: 10kg carton or 20kg, 25kg carboard drum; or upon clients' request. Stored in cool and dry place.
6.Usage of bleaching agent OB-1: for blown film , the wire drawing of PP, for color batch, for color matching for filling mother stock and chemical fiber