Heavy calcium carbonate

Heavy calcium carbonate from our factory, best quality with a best price.

1.Mesh:600-2500

2.CaCO3:99.3%
3.Packing:25 kg kraft bag with inner plastic bag
4.used for industrial, food, toothpaste, paper making, etc.

Number	Test item	Unit	Limitvalue(I)	Test Result	Determine
1	Appearance	/	White powder	White powder	Pass
2	CaCO₃(As dry basis, W%)	%	98.0~100.5	99.5	Pass
3	Non-soluble to hydrochloric acid	%	≤0.20	0.10	Pass
4	Free alkali	%	Pass	Meet the requirements	Pass
5	Alkali metal and Magnesium	%	≤1.0	0.7	Pass
6	Ba	%	≤0.030	<0.030	Pass
7	As	%	≤0.0003	<0.0003	Pass
8	Loss on drying	%	≤2.0	0.25	Pass
9	Pb	%	≤0.0003	0.0001	Pass
10	Hg	%	≤0.0001	0.0000001	Pass
11	Cd	%	≤0.0002	0.00001	Pass