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Activated Precipitated Calcium Carbonate

Activated Precipitated Calcium Carbonate CaCO3 CAS 471-34-1

CAS No. 471-34-1    EINECS: 207-439-9
Formula: CaCO3      Appearance: white crystals or powder

 

Chemical Properties:
Industrial Active Precipitated Calcium Carbonate (Active Light Calcium Carbonate): This product is produced using the wet method and involves surface activation treatment of light calcium carbonate with stearic acid, active agents, and coupling agents. The active light calcium carbonate is a fine white powder with its particles' surfaces coated by active substances, which ensures good dispersion in polymer matrices. 

HS Code: 2836500000104 

 

Specifications:

 

Items

Calcium Carbonate (Guaranteed)

Grade

First Grade

Qualified Grade

Appearance

First Grade

Qualified

CaCO3 content (%)

≥96.0

≥95.0

Fe(%)

≤0.08

 ≤0.08

Mn(%)

≤0.008 

≤0.008 

hydrochloric acid insoluble (%)

≤0.20

≤0.30

Whiteness

≥92

≤90

Fineness (sieve residue)(%) 125μm

≤0.005

≤0.01

105℃ volatile (%)

≤0.40

≤0.60

PH

8.0-10.0

≤8.0-11.0

The activation degree of (%)

≥96

≥90

Oil absorption value(g/100g)

≤60

≤70

 

Usage: 

In plastics, it is used as a modified filler to improve the physical and chemical properties of the products; in paints, it serves as a filler and pigment; in rubber, it acts as a reinforcing agent to enhance processing performance and reduce costs. 

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