Dye dispersant NNO
Technical Data Sheet
Chemical name: Naphthalinesulfonic acid poly-condensate, sodium salt
Grade:Premium
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Item
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Requirement
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Appearance
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Light yellowish powder
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PH value
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7-9
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Solid contents%
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≥93
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Na2SO4 contents%
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≤5
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Calcium and magnesium contents%
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≤0.15
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Free formaldehyde mg/kg
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≤200
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Water insoluble contents
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≤0.15
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Fineness(residue from 30µm filter)
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≤5
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