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Optical brightener KSB (FBA 369)

Optical brightener KSB (FBA 369)

Appearance: yellowisn green crystals powaer
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 a good whitening agent for polyester with blend fiber etc.

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