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Product Name: Direct Copper Blue 2B

Product Details:

Product Name: Direct Copper Blue 2B
C.I. No.: Direct Blue 151
CAS No.: 110735-25-6
Chemical Formula: C34H25N5Na2O10S2
Molecular Weight: 773.69
H.S Code: 32041400
Testing report:

Testing Items	Standard Indicator	Testing Result
Apprearance	Blue Black Powder	Blue Black Powder
Color Shade :	Similar to standard	Similar to standard
Content (%):	100±3	100%
Moisture (%):	≤0.3	0.20
Insolubles (%):	≤0.3	0.20
Conclusion:	Qualified

Application:
1. Mainly used for cotton and viscose fiber dyeing, excellent leveling migration property;
2. Also used for natural silk, Nylon and blended fabric dyeing.
3. They are widely used in leather, silk, wool and paper dyeing.

Cick: 556

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