in 45 ~ 50 ℃ with contain 10 ~ 20% of Sulfur trioxide fuming sulfuric acid treatment Cobalt phthalocyanine until 25% be sulfonated (US 2613128).
brilliant blue. Dark blue powder. Alkaline reduction leuco for olive, acid reduction leuco for blue-ray olive. In concentrated sulfuric acid to yellow-green, dilute produce blue precipitation. Used for cotton of jig dyeing and yarn dyeing, colour and lustre is gorgeous. Can be directly printed, not suitable for discharge printing. Used to stick/cotton blended dyed, uniform color. Used for silk dyeing, all kinds of depth all can, and can also be used to paper coloring.
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Standard
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
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Oxygen bleach
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Soaping
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Fading
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Stain
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ISO
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5
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1
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7-8
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4
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4
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