Name: Calcium carbonate Cas 471-34-1
SKU: 0

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Calcium carbonate Cas 471-34-1

Chemical Name: Calcium carbonate
CAS No.: 471-34-1
Molecular Formula: CCaO3
Molecular Weight: 100.0869
Assay:98%
Samples: Available

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Typical Properties

Specifications

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
caco3 w/%≥	class I	qualified	96.0	94.0	94.0
	class II	first class	96.5	95.0	95.0
	class II	qualified	95.0	93.0	93.0
Fineness	D97/μm ≤		3.0	5.0	6.0
Fineness	D50/μm ≤		1.3	1.6	2.0
Whiteness	first class		97	97.0	96.0
Whiteness	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
Oil absorption(ml/100g)	class II		25.0	23.0	22.0
Oil absorption(ml/100g)	first class		95.0	95.0	95.0
Oil absorption(ml/100g)	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

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.

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