Cheapest Factory Vat Violet 3b - Optical Brightener OB-1 – LEADING
Cheapest Factory Vat Violet 3b - Optical Brightener OB-1 – LEADING Detail:
Optical Brightener OB-1
C.I. Optical Brightening Agent 393
Cas No. 1533-45-5
Equivalent: Uvitex ERT (Ciba)
- Properties:
1). Appearance: Bright Yellow Crystalline Powder
2). Chemical Structure: A Compound Of Diphenylethylene
Bisbenzoxazole Type.
3). Melting Point: 357-359℃
4). Solubility: Insoluble in water, but soluble in high boiling point organic solvents such as phenyl-chloride.
5). Others: Excellent fastness to heat and light due to its high boiling point, also good fastness to chlorine-bleaching.
- Applications:
It is especially suitable for shaping various kinds of plastics and their products under high temperature. It has an excellent whitening effect on polyester-cotton blend fabric. It can be used for whitening polyester. It is similar to Whitex Xnk, Eastobrite OB-1 made in foreign country.
- Directions For Use And Dosage:
The dosage should be 0.01-0.05% on weight of plastic. Mix optical brightener ert with plastic granulars thoroughly before shaping of plastics or drawing-spinning of polyester.
- Specifications:
Appearance: Bright Yellow Crystalline Powder
Purity: 99% Min.
Melting Point: 357-359℃
- Packaging And Storing:
Packing In 25Kg/50Kg Carton Drums. Stored In Dry And Ventilated Place.
Product detail pictures:

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