| Customization: | Available |
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| CAS No.: | 471-34-1 |
| Formula: | CaCO3 |
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Calcium carbonate powder is a compound, the chemical formula is CaCO3, it is alkaline, basically insoluble in water, soluble in acid. It is a common substance on the earth and exists in rocks such as aragonite, calcite, chalk, limestone, marble and travertine. It is also the main component of animal bones and shells.
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Items
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Standards(%)
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Calcium carbonate
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Spection
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CaCo3(Dry base)
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98%-100%
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Loss on drying
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≤2
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Acid-insoluble substance
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≤0.2
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Iron
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≤0.1
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Pb(Heavy metals)
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≤0.002
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Barium
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≤Pass the test
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Lead
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≤3
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Limit of fluoride
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≤0.005
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Magnesium and alkali salts
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≤1.0
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1.As filler for plastics, paper, rubber, paint, ink,cable, etc., it is one of the most widely used fillers.
2.Light calcium carbonate can be used as leavening agent, flour treating agent, anti-coagulation agent, acidity regulator, nutrient strengthening agent, curing agent, etc.
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