FORMULA: CaCO3
M. W.: 100.09
CAS NO.: 471-34-1
GRADE: TECHNICAL GRADE
DESCRIPTION: WHITE, ODOURLESS, TASTELESS POWDER; INSOLUBLE IN
WATER, SOLUBLE IN ACID.
SPECIFICATIONS:
|
INDEX |
EXCELLENT |
FIRST-GRADE |
QUALIFIED GRADE |
|
CONTENT (AS CaCO3) |
98.0%-100.0% |
97.0%-100.0% |
97.0%-100.0% |
|
PH (10% SUSPENDED LIQUID) |
8.0-10.0 |
8.0-10.5 |
8.0-11.0 |
|
105℃ VOLATILE |
0.40% MAX. |
0.70% MAX. |
1.00% MAX. |
|
HCl INSOLUBLES |
0.10% MAX. |
0.20% MAX. |
0.30% MAX. |
|
SEDIMENTATION VOLUME (ML/G) |
2.8 MIN. |
2.6 MIN. |
2.4% MIN. |
|
Fe |
0.08% MAX. |
0.10% MAX. |
0.10% MAX. |
|
Mn |
0.006% MAX. |
0.008% MAX. |
0.010% MAX. |
|
RESIDEUS ON 125μm SEIVE |
0.005% MAX. |
0.010% MAX. |
0.015% MAX. |
|
RESIDUES ON 45μm
SEIVE |
0.30% MAX. |
0.40% MAX. |
0.50% MAX. |
|
WHITENESS |
90.0 MIN. |
90.0 MIN. |
--- |
USES: PAPER AND RUBBER FILLER, CONSTITUENT OF
WHITE PAINT AND CLEANSING POWDER, PREPARATION OF CARBON DIOXIDE OR CALCIUM
COMPOUND, PHARMACEUTICALS.
PACKING: PACKED IN 40KG/25 KG DOUBLE-LAYER PLASTIC WOVEN BAGS.