Calcium Carbonate for Toothpaste (PCC)
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Test Item |
Specification
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1.
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Appearance
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Powder
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2.
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CaCo3 content
|
98.25%
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|
3.
|
Heavy Metals ＜
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0.001%
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|
4.
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whiteness ≤
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93.3%
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|
5.
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Residue of Sieve (320 mesh) ＜
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0.5%
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6.
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Sulfide
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zero
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7.
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PH value
|
9.58
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