CALCIUM CARBONATE CAS 471-34-1

Description

CALCIUM CARBONATE
CALCIUM CARBONATE Quick Details
Chemical Name: CALCIUM CARBONATE
CAS No.:471-34-1
Molecular Fomula:CCaO3
Chemical Structure:
Molecular weight:100.0869
Appearance:white powder
Assay:98%min
CALCIUM CARBONATE Typical Properties

Item HG/ 3249.2-2008

I type 3000m
II type 2500m
III type 2000m

caco3 w/%??
class I
first class
98.0
96.0
96.0

qualified
96.0
94.0
94.0

class II
first class
96.5
95.0
95.0

qualified
95.0
93.0
93.0

Fineness
D97/??m ??
3.0
5.0
6.0

D50/??m ??
1.3
1.6
2.0

Whiteness
?first class
97
97.0
96.0

qualified
95.5
95.5
95.0

?Specific surface area (cm2/g) ??
23000
19500
18000

Oil absorption(ml/100g)
class I
30.0
30.0
25.0

class II
25.0
23.0
22.0

Oil absorption(ml/100g)
first class
95.0
95.0
95.0

qualified
93.0
93.0
93.0

105?? volatile/% ??
0.5
0.5
0.5

?Lead??pb??W /% ??
0.001
0.001
0.001

(Cr6+)W/% ??
0.005
0.005
0.005

(Hg) W/% ??
0.002
0.002
0.002

(As) W/% ??
0.002
0.002
0.002

(Cd) W/% ??
0.002
0.002
0.002

CALCIUM CARBONATE Usage
1.Used as filler and improver in plastic, paint, paper-making, rubber, pharmacy, feed, daily chemical, ceramics, adhesives and ink industry.Used as a metal surface treatment agent .
2.Used for pharmaceutical .
3.Used for food additives
CALCIUM CARBONATE Packaging and Shipping
25kg /bag or 25kg/drum
CALCIUM CARBONATE Storage
Keep it under low temperature and dry condition.