Fluorescent Whitening Agent KSN(FBA368)
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Properties:
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Appearance:bright yellow crystalline powder
Melting point:≥295°C
Solubility:Insoluble in water,but soluble in high boiling point organic solvents such as phenyl-chloride.
Structure:a compound of diphenylethylene bisbenzoxazole type . |
Applications:
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FWA KSN's chemical structure is similar to FWA OB-1's but has much better whitening effects than OB-1 on polyester fibres and plastics,its compatibility with plastics is better than OB-1's too,highly whitening effects is available with only small dosage,KSN has a good resistance to high temperature as well as excellent resistance to light and weather.Applied to whiten polyester,polyamide and polycarylonitrile fibres,used in film,plastic pressing & injection process too.Suitable for whitening high polymers and could be added at any point during synthesizing |
Directions for use and dosage:
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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 drawing-spinning of polyester fibers. |
Specifications: |
| Item |
Indices |
| Appearance |
bright yellow crystalline powder |
| Purity |
≥99% |
| Melting point |
≥295°C |
| Volatile conten |
≤0.50% |
| Ash content |
≤0.10% |
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Packaging and storing: |
Packaged in cardboard boxes,25kg or 50kg each.Stored in dry and ventilated place. |
