dark purplish red. Deep red powder. In concentrated sulfuric acid for brown light purple, red precipitation after dilution. Used for cotton, hemp, viscose fiber dyeing, also can be used in the leather dyeing.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Fulling
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Persperation Fastness
|
Soaping
|
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Moderate
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Severe
|
|
ISO
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3-4
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3-4
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3-4
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|
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3-4
|
2
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