PA Whitening Agent OB
Item specifics
- CAS
- 7128-64-5
Review
Description
Describe:Optical Brightener OB is used as an optical brightener to counteract the yellowish hue of polymers, producing a whiter appearance.
Characteristic:Appearance: Light green-yellow powder
Dosage: 0.01-0.05%
Melting point: 196-200°C
Purity: 99%
Solubility (g/100 g solution) at °C:
- Acetone: 0.5
- Chloroform: 14
- Amine: 0.8
- Dioxane: 2
- n-Hexane: 0.2
- Methanol: 0.1
- Ethanol: 1.3
- Tricresylphosphate: 0.8
- Xylene: 5
Features:Bright blue-white effect; excellent heat resistance; high chemical stability; good compatibility with various resins.
Application:It is mainly used as an optical brightener for thermoplastics (PVC, PS, PE, PP, ABS) and is also used in coatings, printing inks, paints, dyes, artificial fibers, synthetic leather, waxes, fats, and oils. Indoor use only is recommended.