Optical Brightener OB-1
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). Mesh Size: ≥800 mesh (or customize)
5). Fluorescent Intensity (E1%1cm) ≥2000
6). Solubility: Insoluble in water, but soluble in high boiling point organic solvents such as phenyl-chloride.
7). Others: Excellent fastness to heat and light due to its high boiling point, also good fastness to chlorine-bleaching.
Optical Brightener OB-1 Applications
Optical Brightener OB-1 is especially suitable for shaping various kinds of plastics,suitable for whitening and brightening PE, PVC, ABS, PC and other plastics. It has an excellent whitening effect on polyester-cotton blend fabric. It can be used for whitening polyester.
Optical Brightener OB-1 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.
Optical Brightener OB-1 Specifications:
Appearance: Bright Yellow Crystalline Powder
Purity: 99% Min.
Melting Point: 357-359℃
Optical Brightener OB-1 Packaging And Storing:
Packing In 25Kg/50Kg Carton Drums. Stored In Dry And Ventilated Place.
