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Light Calcium carbonate introduction
Light calcium carbonate is an inorganic compound mainly contained in limestone and calcite. Light calcium carbonate generally made from natural mineral powder, according to different processing methods.
We supply calcium carbonate for rubber, plastics, paints and paper industries, the products are exported to South Korea, India, Russia, Bangladesh, Malaysia, Philippines, Hong Kong and other regions.

 
Light Calcium carbonate Type A for Rubber

 Our Light calcium carbonate is widely used in rubber industry; often fill in tires, rubber hose, adhesive tape, seals, auto parts and other rubber products. Filling a large number of Calcium Carbonate in the rubber or synthetic rubber, can increase the volume of the rubber products, save costly natural rubber or synthetic rubber, reduce costs.
    Our Light calcium carbonate make the rubber easier for mixing, decompose, processing, and cast, vulcanized rubber surface is smooth, elongation large, high tensile strength, small deformation, high bending strength, strong tear-resistant.

 

light calcium carbonate

 

Specification of light calcium carbonate for Rubber

Items

White

Water

Oil Absorption

CaO3

Fe2O3

Acid-insoluble

1250 mesh

≥96

≤0.3%

30%

≥98.5

≤0.3%

≤0.4%

1000 mesh

≥96

≤0.4%

28%

≥98.5

≤0.3%

≤0.4%

800 mesh

≥95

≤0.5%

25%

≥98

≤0.4%

≤0.4%

400 mesh

≥95

≤0.5%

22%

≥98

≤0.5%

≤0.4%

325 mesh

≥95

≤0.5%

20%

≥97

≤0.5%

≤0.4%

 

Light calcium carbonate Type B for Plastic
    Light calcium carbonate as an organic filler used in plastics for many years. Our Light calcium carbonate can increase the volume of plastic products, reduce costs, increase hardness and rigidity, reduce plastic shrinkage ratio and improve dimensional stability; improve the processing properties, increase heat resistance, improve plastic astigmatism, anti - abrasions nature of smoothness; at the same time, can increase impact strength in gaps and mixing performance.

 

 

calcium carbonate

 

Specification Light calcium carbonate for Plastic

 

Item

Value

Chemical content

CaO3

≥97.84

SiO2

0.12%

MgO

≥1.38%

Fe2O3

≤0.011%

Oil Absorption

12-23%

PH

8.5-9

Acid-insoluble

≤0.15%

Physical item

White

≥96

True specific gravity

2.7

specific surface(cm2/g)

12000-18000

Loss on ignition

≤44.2%

Water

0.3%

 

Light calcium carbonate Type C for Paint

    Light calcium carbonate is light white powder, Our Light calcium carbonate for paint and dopeis made of high-quality limestone, processed by advanced technology, fine surface treatment. Often used in paint, dope, also used in leather, wire, PVC, ink and paper industries for filling.


calcium carbonate

 

 

Specification of light calcium carbonate

 

Item

Value

CaCO3  / %

≥96

PH(10% Suspension)

8-11

Acid-insoluble / %

≤0.1

Density  / g/ml

0.55-0.6

specific surface / cm2/g

45000-50000

Mesh / μm

2.5-3.5

Fe2O3 / %

≤0.01

Mn2O3 / %

≤0.008

White (R457),%

≥94

Oil Absorption (DOP),ml/100g

≤55

Activation rate / %

≥95

Character

White powder

 


 

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