Kingstar Chemical Company
Kingstar Chemical Company Kingstar Chemical Company

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  • optical brightener OB
optical brightener OB

optical brightener OB

Spec: 25 kg carton, paper bucket. expiry date: Long-term effective
Composition: Benzoxazole type Parameters: 1. Outlook: light green powder 2. Color light: blue and white (similar to standard) 3. Purity: ≥ 98% 4. Melting point: 198,203 ℃ 5. Fineness: greater than 100 mesh
Description: OB is widely used in PVC, PE, PP, PS, ABS, PMMA, POM and other thermoplastic plastics as well as thermosetting plastics, polyester fiber, paint, ink, paint and other whitening. Uses: PVC whitening: 0.01,0.05% increase brightness: 0.0001, 0.001% polystyrene 0.0001, 0.05% ABS: 0.01and 0.05% polyalkene colorless matrix: 0.005, 0.05% white matrix: 0.005, 0.05%
preservation: 1: this product information is for reference only, if you have any technical or use problems, please contact our company.  2: the technical advice provided by the company both verbally and in writing characteristic: Light green powder, tasteless, soluble in alkane, fat, mineral oil, paraffin and most organic solvents, spectral maximum absorption value 375 nm in ethanol), maximum emission wavelength 435 nm (in eth

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