Optical Brightener OB/OBA 184/ Uvitex OB

Optical Brightener OB/OBA 184/ Uvitex OB
Principal Ingredients:benzoxazoles
Physical & Chemical Properties
Appearance pale green powder
Toneblue white (similar to the standard substances)
Purity ≥98%
Melting Point 198~203°C
Fineness >100mesh
Performance & Features
1. Pale green powder, tasteless, dissolvable in paraffin, fat, olefin and most organic solvents. Itsspectrum 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
OBis 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: 0.01~0.05%
Polyolefin colorless matrix: 0.0005~0.001% white matrix: 0.005~0.05%
Packing & Storage
Packed in 25kgx1 tanks, 5kgx2 paper boxes or 1kg(iron cases)x12 paper boxes at cool and dry places to be protected from light.
Attentions:
1. The product data is for reference only. If you had any technical or usage problems, please call us.
2. The oral or written technical suggestions offered by our company are all sincere. But the consumers have the responsibility to experiment with our products to justify whether they are suitable for the formulated craftwork and usage; as the craftwork condition for using the products is beyond our control, the consumers will take the whole responsibility.
Uvitex OB