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.
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3.Directions for use and dosage
(on weight of plastic):
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.
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| 4.Specifications: |
| Item |
Indices |
| Appearance |
light yellow or milk white powder |
| Purity |
≥99% |
| Melting point |
220-221°C |
| Volatile content |
≤0.50% |
| Ash content |
≤0.10% |
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5.Packaging and storing:
Packaged in cardboard boxes,5kg or 10kg each,or in cardboard barrels,25kg or 50kg each. Stored in cool and dry place. |
