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Optical brightener KSB (FBA 369)
Optical brighteners for plastic
Structure type:
Appearance: yellowish green crystals powder
Purity: 99.0% min
Melting point: 240-245℃
Solubility: insoluble in water, but soluble in organic solvents
Packaging: 25kgs fiber drums within double pe bags.
Usage: A good whitening agent for polyester fiber, and also have a good effect for polyester with blend fiber etc.
