WN100Industrial precipitation of calcium carbonate

Industrial precipitation of calcium carbonate
Industrial precipitation of calcium carbonate

Industrial precipitation of calcium carbonateWN100

Used as filler for rubber, plastics, coatings, 

papermaking and other products;


Reduce the cost, improve the processing, 

improve the whiteness and glossiness of products.


The test items12
Particle morphologyspindle
Content of CaCO3(%)≥98≥97
The iron content(%)≤0.05≤0.08
Manganese content(%)≤0.005≤0.008
Hydrochloric acid insoluble substance(%)≤0.1≤0.2
Whiteness≥94≥92
Screenings(%)125μmAll through≤0.005
45μm≤0.2≤0.4
105℃ volatiles(%)≤0.3≤0.5
PH9.0-10.09.0-10.5
Sedimentation volume(ml/g)≥2.8≥2.4



WN101Activated precipitated calcium carbonate

Activated precipitated calcium carbonate
Activated precipitated calcium carbonate

Activated precipitated calcium carbonateWN101

Used as filler for rubber, plastic and other products;


Good dispersion and compatibility, 

can be filled in large quantities, improve 

the surface brightness of products.



The test itemsIndicators
Particle morphologySpindle
CaCO3 content (%)≥96
The iron content(%)≤0.06
Manganese content≤0.008
Hydrochloric acid insoluble substance(%)≤0.2
Whiteness≥92
Screenings(%)≤0.005

≤0.2
105℃volatiles(%)≤0.3
PH8.0-10.0
The activation degree of(%)≥96
Oil absorption value(g/100g)≤60
Surface treating agentFatty acids






WN201Fine active precipitation of calcium carbonate

Fine active precipitation of calcium carbonate
Fine active precipitation of calcium carbonate

Fine active precipitation of calcium carbonateWN201

Used in profiles, pipes, wires and cables and other plastic products;


Improve product impact resistance, 

tensile strength, good dispersion and easy to process

Increase the service life of the products.


The test items   Indicators
Particle morphologySpindle
Average particle sizeμm1-3
CaCO3content (%)≥95
The iron content(%)≤0.06
Manganese content(%)≤0.008
Hydrochloric acid insoluble substance(%)≤0.15
Whiteness≥93
Screenings(%)75μm≤0.005
45μm≤0.2
105℃Volatiles(%)≤0.3
PH8.0-10.0
The activation degree of(%)≥96
Oil absorption value(g/100g)≤60
Surface treating agentFatty acids



WN502Nano calcium carbonate 502

Nano calcium carbonate 502
Nano calcium carbonate 502
Nano calcium carbonate 502

Nano calcium carbonate 502WN502

It is used in car bottom coating, 

edge folding glue, weld glue, ship 

container coating, etc.


It has excellent shear thinning effect, 

thixotropy, anti-flow and stability, 

and is easy to disperse.

The test itemsIndicators
Particle morphologyThe cube
Particle size(nm)60-90
CaCOcontent (%)≥95
105℃ Volatiles(%)≤0.5
Oil absorption value(g/100g)25-32
Specific surface area(m2/g)≥18
Yield value(Pa)100-200
Surface modifierComposite






WN503Nano calcium carbonate 503

Nano calcium carbonate 503
Nano calcium carbonate 503
Nano calcium carbonate 503

Nano calcium carbonate 503WN503

Used in all kinds of rubber and plastic products

Increase the impact strength, yield strength, elongation at break,

Anti - aging, good gloss and easy to color.


The test itemsIndicators
Particle morphologyKind of cubic
The average particle size(nm)50-100
CaCOcontent(%)≥95
105℃ volatiles(%)≤0.5
PH8.5-10.0
Oil absorption value(g/100g)28-40
Specific surface area(m2/g)≥18
Surface modifierFatty acids





WN505Functional calcium carbonate

Functional calcium carbonate

Functional calcium carbonateWN505

Used in PVC products;

Strengthen and toughen, improve plasticization performance.


The test itemsIndicators
AppearanceWhite powder
Calcium carbonate content (in dry basis)%≥95
Whiteness %≥92
Oil absorption value %≤40
105℃   volatiles%≤0.5
Specific surface aream2/g≥5
Screenings(200) % All through
The activation degree of %≥95





WN506Nano calcium carbonate 506

Nano calcium carbonate 506
Nano calcium carbonate 506
Nano calcium carbonate 506

Nano calcium carbonate 506WN506

Used in silicone rubber, epoxy adhesive,

butyl adhesive, plastic melt adhesive,

Hot melt adhesive and other adhesives.

Dispersion, good processing modulus low, 

give adhesive products excellent

Tensile, adhesion, weather resistance.


Project1236
Particle size  40-6060-8080-10060-90
Specific surface area m2/g≥2520-2518-2020-25
Calcium carbonate content (in dry basis)%  ≥92≥92≥92≥92
105℃ volatiles %≦0.5≦0.5≦0.5≦0.5
Whiteness %             ≥92≥92≥92≥92
PH7.5-107.5-107.5-107.5-10
Consistency/consistencycm9—1010—1111—1210—12
Surface treating agentFatty acid

Complex fatty acid
Oil absorption value(DOP) %32-3430-3228-3025-27



WN601Heavy calcium carbonate 601

Heavy calcium carbonate 601
Heavy calcium carbonate 601

Heavy calcium carbonate 601WN601

WN601 Superfine heavy calcium carbonate requirements, 

Test methods, inspection rules,

Marking, packaging, storage and transportation.

This standard is applicable to the grinding of 

calcite, marble or limestone

The ultrafine heavy calcium carbonate obtained.

The products are mainly used in paper, rubber, coating, 

plastic and other industries for filling agent.


NameWNG-1WNG-2WNG-3
AppearanceWhite powderWhite powderWhite powder
Calcium carbonate content (in dry basis)≥95≥95≥95
Whiteness≥92≥90≥85
Dry weight loss≤0.5≤0.5≤0.5
325 mesh (45 m) sieve residue %≤0.5≤1≤0.5


WN602Heavy calcium carbonate 602

Heavy calcium carbonate 602
Heavy calcium carbonate 602

Heavy calcium carbonate 602WN602

WN602 - Requirements, Test methods,

 inspection rules, marking, packaging, 

storage and transportation of 

ultra-fine heavy active calcium carbonate.


It is suitable for the ultra-fine heavy active 

calcium carbonate obtained from calcite, 

marble or limestone after grinding and surface treatment.


The product is mainly used as filling agent in 

papermaking, rubber, coating, plastic and other industries.


NameWNG-1WNG-2WNG-3WNG-4
AppearanceWhite powderWhite powderWhite powderWhite powder
Calcium carbonate content (in dry basis)≥96≥96≥96≥96
Whiteness≥94≥93≥92≥91
Dry weight loss≤0.5≤0.5≤0.5≤0.5
325 mesh (45 m) sieve residue %≤0.5≤0.5≤1≤1
The activation degree of %≥98≥97≥96≥95


WNCalcium hydroxide

Calcium hydroxide

Calcium hydroxideWN

Data to be updated

WNCalcium oxide

Calcium oxide

Calcium oxideWN

Data to be updated

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