Natural heavy calcium carbonate selects natural, high and white calcite as raw material, and processes through domestic advanced grinding equipment and importing sorting equipment .Its grain size is identical color is stable ,and dispersion is super fine.
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Item
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Natural Heavy Calcium Carbonate
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SN-1043
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SN-1063
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SN-1083
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SN-1121
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SN-1200
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CaCo3 content (Dry basis)% ≥
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94
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94
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96
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96
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96
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PH value (10%Soliquite) ≥
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8-10
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8-10
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8-10
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8-10
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8-10
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105℃ Volatile % ≤
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1.0
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1.0
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1.0
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0.5
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0.5
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Insoluble substance in hydrochloric acid% ≤
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0.4
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0.5
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0.5
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0.6
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0.6
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Average Grain, μm
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19
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16
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13-14
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3.0-4.0
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1.8
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Fe,% ≤
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0.01
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0.01
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0.01
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0.01
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0.01
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Mn,% ≤
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0.008
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0.008
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0.008
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0.008
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0.008
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Whiteness(R457),% ≥
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92
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93
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93
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94
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94
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Absorption oil Number (DOP), ml/100g ≤
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18
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24
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28
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36
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45
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Appearance
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Powder
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Powder
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Powder
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Powder
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Powder
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