Precipitated calcium carbonate for coatings
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Precipitated calcium carbonate for coatings
PCC-EZC01 uses high-quality limestone raw materials and coal with low sulfur content, and adopts advanced production technology and on-site management methods. This product has the characteristics of high whiteness, high purity, few black spots, small particle size and uniform distribution, and is widely used in paint , the production process of ink and other industries. The coating products produced by using this type of precipitated calcium carbonate have the characteristics of high brightness, good covering rate and good coloring effect.
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Item |
Specification |
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Appearance |
White odorless powder |
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Purity ( counted as CaCO3) |
≥ 97.0％ |
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Acid Insoluble Matter |
≤ 0.20％ |
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Settlement bulk |
2.8-3.5 |
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Loss on Drying |
≤ 1.0％ |
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PH (10% suspension) |
9.0-10.5 |
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whiteness |
≥ 94.0 |
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Heavy metal |
≤ 0.002% |
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Fe |
≤ 0.03% |
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Black spots |
≤ 5/g |
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residue on sieve |
125μm |
≤ 0.005% |
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45μm |
≤ 0.4% |
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Particle size |
D50 |
1.8-3.0μm |
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|
D97 |
≤ 8.5μm |
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