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.
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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.
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| 4.Specifications: |
| Item |
Indices |
| Appearance |
bright yellow crystalline powder |
| Melting point |
357-359°C |
| Purity |
≥99% |
| Volatile content |
≤0.50% |
| Ash content |
≤0.10% |
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5.Packaging and storing:
Packaged in cardboard boxes,25kg or 50kg each,Stored in dry and ventilated place.
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