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Calcium carbonate

　　I. Product name: weightily calcium carbonate

　　II. Specifications: powder

　　III. Product introduction:

　　1. Alias: C.I. 77220; C.I. Pigment White 18; Chalk; Weightily Calcium Carbonate; Calcium Carbonate Light; Calcium Carbonate Heavy; Biological Calcium Carbonate; Oyster Shell Powder; Carbonic acid calcium salt (1:1); Limestone

　　2. Molecular formula: CaCO₃

　　3. Physical properties: white powder that is insoluble in water and easily soluble in acid

　　IV. Uses: calcium carbonate is mainly used in feed, ceramics, glass, citric acid, calcium plastic products and other industries.

Fineness	Whiteness	Moisture	Iron vector	Hydrochloric acid insoluble	PH	CaO	Fe2O3	MgO
150mm	80	≤0.3	41-44.5	≤0.3	8-10	≥54	≤0.1	≤0.3
200 mesh	83	≤0.3	41-44.5	≤0.3	8-10	≥54	≤0.1	≤0.3
325 mesh	85	≤0.2	41-44.5	≤0.2	8-10	≥55	≤0.1	≤0.3
400 mesh	88	≤0.2	41-44.5	≤0.2	8-10	≥55	≤0.1	≤0.3