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Optical brightener OB

Optical brightener OBMolecular Weight: 430,56
Linear Formula: C26H26N2O2S
Appearance: Light yellow or milk white powder
Purity: 99,6%
Melting point: 201-202 C
Properties:
1. Small consumption, strong whitening intensity.
2. Suitable for various kinds of plastic whitening.
3. Have a good compatibility with plastic, good resistance to high temperature and excellent light fastness and weathering resistance.

Price: 8000 tenge for one kg. (Individual discounts for wholesale buyers.)