1.Properties:
Appearance:Light yellow or milk white crystaline powder Structure:a compound of diphenylethylene group biphenyl type Resistance to acid and alkali:rather strong Solubility:Insoluble in water,but soluble in ordinary solvents Melting point:220-221°C

2.Applications:
Fluorescent Whitening Agent FP has very good whitening effect on various kinds of plastics and their products,especially on the products of plastics such as PVC and PS.It has extra ideal whitening and brightening effects on artificial leathers.No yellowing and discoloring will occur on the products whitening by this whitening agent even if they are stored for a long time.Whitening Agent FP is similar to Uvitex FP made in foreign country.

3.Directions for use and dosage:
The dosage should be 0.01-0.05% on weight of plastic.Put the whitening agent into the plastic pellets and mix the mixture thoroughly before shaping the plastic products.

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 FP: for PVC building material, for color matching