CALCIUM CARBONATE
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
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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.
