Optical Brightener Agent 199:V form ula: Appearance: light yellow crystalline powder Purity: ≥98.0% Application: Suitable use in whitening and brighte...
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Hight quality OPTICAL BRIGHTENER AGENT 199:IV for polyester, P/C, polyester silk, polyester yarn, poly CAS NO79026-03-2 Items Standard Appearance Ligh...
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