Products
Medical and food grade TALC powder
Physical and chemical properties:
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Physical and chemical properties
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Superior grade
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Top grade
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Qualified product
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Appearance
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Odorless, tasteless, sandless particles, a sense of lubrication
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Whiteness (%)
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≥90
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≥88
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≥85
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Fineness, 325 mesh(45μm)
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≥98
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Moisture (%)
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≤0.5
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Ferric salt
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Does not immediately appear blue
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Water insolubles (%)
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≤0.1
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Substance soluble in acid(%)
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≤1.5
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Loss on ignition(800°C)(%)
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≤5.0
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PH value
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Litmus paper showed a neutral reaction
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As
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≤3×10-4
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Pb
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≤10×10-4
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Total bacterial count /g
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<500
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Mould /g
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<100
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Escherichia coli, Staphylococcus, Pseudomonas aeruginosa
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not detectable
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Industrial uses:
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Medicine tablets, sugar coating, prickly heat powder and traditional Chinese medicine prescriptions, food additives, isolation agents, etc |