precipitated calcium carbonate 98%

1 precipitated calcium carbonate 98%
2 fast delivery
3 factory price
4 good quality

precipitated  calcium carbonate 98% 

INDEX NAME  calcium carbonate	I  1000MU		II 800MU		III 600MU		IV  400MU
	standard A	test result	standard A	test result	standard A	test result	standard A	test result
CACO3 content w/% ≥	96	98	96	98	96	98	96	98
whiteness         ≥	93.5	96	93	95	92.5	95	92	94
acreage area      ≥	12500	12500	11500	11500	10000	10000	9000	9000
insoluble substance in HCL acid       ≤	0.5	0.25	0.5	0.25	0.5	0.25	0.5	0.25
oil absorption    ≤	25	25	23	23	20	20	20	20
Depression Volume ≤	5	5	5	5	5	5	5	5
grain size D∞/um ≤	3.5	3.5	4.5	4.5
Pb   w/%          ≤	0.001
Cr6+ w/%          ≤	0.0005
Hg   w/%          ≤	0.0002
As   w/%          ≤	0.0001
Cd   w/%          ≤	0.0002