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Optical brightener ER-II/L (FBA 199:1)

Optical brightener ER-II/L (FBA 199:1)

CAS NO.： 13001-38-2

Appearance: Pale yellow powder or liquid
Shade: blue violet
Melting point: 184 - 186℃
Packaging: 25KG Fiber drums or plastic drums.
Usage: A good whitening agent for polyester,polyester/cotton,polyester/yarn,polyester/wool and polyester /hemp.

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