Hot New Products Vat Black Dyes 9 - Direct Blue 15 / Direct Sky Blue 5B – HE DYE

Direct Blue 15 / Direct Sky Blue 5B C.I. 24400 CAS NO.: 2429-74-5 Molecular formula: C34H24N6Na4O16S4 Packed in 25kgs Iron Drum Used for dyeing cotton, silk etc

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