Technical data:
1) Appearance: powder in blue and white
2) Shade: blue and white (similar with reference sample)
3) Purity: ≥99%
4) Melting point: 198 - 200°C
5) Fineness: more than 100 mesh

Performance and characteristics:
1) Blue and white powder, tasteless, soluble in alkane, fat, mineral oil,
    paraffin and most of the organic solvents, spectrum the widest 375nm
    (in ethanol), and maximum wave length emitted 435nm (in ethanol)
2) Fine whitening effect and stability in heat; small amount required,
    wide application

Scope of application:
OB widely used in whitening of PVC, PE, PP, PS, ABS and other thermo-plastic products
as well as polyester fibers, oil paint, ink, coating materials.

Method of application (percentage comparing with the weight of plastics) 
1) PVC whitening: 0.01 - 0.05%       
2) Brightness enhancement: 0.0001 - 0.001%
3) Polystyrene: 0.0001 - 0.001%                          
4) ABS: 0.01 - 0.05%
5) Polyolefin colorless substratum: 0.0005 - 0.001%   
6) White substratum: 0.005 - 0.05%

Packing and storage:
Plastics bags in iron box of 1kg x 12, or subject to customers\' requirements

Precautions:
The written materials on this product are for reference only or a source for research
and appraisement. We assume no responsibility for any disputes arising from
the liabilities or patents of such materials. Please contact us for any technical
problem or problems in use.