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Calcium carbonate 购买在 天津
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Calcium carbonate

Calcium carbonate

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CAS:471-34-1
HS code:28365000
Chemical formula:CaCO3
Property:White powder or colorless crystal.Odorless or tasteless. There are two crystals, one is the orthogonal crystal aragonite, one is hexagonal rhombohedral calcite crystals.At 825℃ can be decomposed into calcium oxide and carbon dioxide.Soluble in acide, nearly insoluble in water. Aragonite:relative density: 2.83,melting point:825℃. Aalcite:relative density:(d25.2)2.711, melting point:1339℃(10.39MPa).Irritating odor.
Use:Commonly used as filler, is widely used in synthetic rubber floor tiles, plastic, paper, paints and coatings, printing ink, cables, building supplies, food, pharmaceutical, textile, feed, toothpaste and other household products, as fillers serve to increase the volume of products .

Item Indicator
Purity(CaCO3) ≥ 99
Whiteness ≥ 95
Oil absorption g/100g ≤ 30
105°C volatile % ≤ 0.5
Hydrochloric acid insuluble substance % ≤ 0.5
PH value(10%suspending liquid ) 8.6
Average grain diameter μm ≤ 2.5
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Calcium carbonate
Calcium carbonate
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