Detailed Product Description

Physical and chemical properties:
Appearance: pale green powder
Tone: blue white (similar to the standard substances) 
Purity: ≥98%
Melting point: 198~2030C
Fineness: >100 mesh

Performance and features:
1. Pale green powder, tasteless, dissolvable in paraffin, fat, olefin and most organic solvents. Its spectrum can absorb the maximum wavelength of 375nm with the maximum transmitted length of 435nm (in ethanol) 
2. Good brightening effects and weathering resistance requires a small quantity but can be widely used 

Application scope:
OB is widely used in the brightening of thermoplastics as PVC, PE, PP, PS, ABS, PMMA, POM and thermosetting plastic, polyester fiber, paint, ink and coating. 
Usage mode (compared to the weight of plastic raw material) 
Polyvinyl chloride brightening: 0.01~0.05% 
Increase radiance: 0.0001~0.001%
Polystyrene: 0.0001~0.05% 
ABS: 001~0.05%
Polyolefin colorless matrix: 0.0005~0.01%
White matrix: 0.005~0.05%

Packing and storage:
25kg/tank, 1kg x 10 paper boxes or 1kg (iron cases x 12 paper boxes at cool and dry places to be protected from light