Index Number : C.I. Direct Black 19 (35255)
Package: 25Kg in Bag/Carton/Drum
English Name : Direct Fast Light Black G
Quality Specification : GB 9336-88
Quality Specification : GB 9336-88
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Item
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Standard
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Item
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Standard
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Appearance
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Black Even Powder
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Insoluble in water
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≤1%
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Shade
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Up To Standard
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Size ( Residue Content Through 80 Mesh Sieve )
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≤5%
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Strength
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(100±3)%
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PH (0.05g/250ml)
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8.5 ～ 9.5
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Moisture
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≤7%
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Fastness
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Up To Standard
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Package: 25Kg in Bag/Carton/Drum