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Ground Calcium Carbonate  
 
   

Ground Calcium Carbonate (GCC)

 
   

Calcium carbonate, or CaCO3, comprises more than 4% of the earths crust and is found throughout the world. Its most common natural forms are chalk, limestone, and marble, produced by the sedimentation of the shells of small fossilized snails, shellfish, and coral over millions of years. Although all three forms are identical in chemical terms, they differ in many other respects, including purity, whiteness, thickness and homogeneity. Calcium carbonate is one of the most useful and versatile materials known to man.

Calcium carbonate, as it is used for industrial purposes, is extracted by mining or quarrying. The primary type of industrial product is ground calcium carbonate, or GCC. GCC, as the name implies, involves crushing and processing limestone to create a powdery-like form graded by size and other properties for many different industrial and pharmaceutical applications.

As interesting as calcium carbonate may be in nature, its impact and value to our everyday life are truly extraordinary.

Paper, Plastics, Paints, and Coatings: Calcium carbonate is the most widely used mineral in the paper, plastics, paints and coatings industries both as a filler and due to its special white color - as a coating pigment. In the paper industry it is valued worldwide for its high brightness and light scattering characteristics, and is used as an inexpensive filler to make bright opaque paper. Filler is used at the wet-end of paper making machines, and calcium carbonate filler allows for the paper to be bright and smooth. As an extender, calcium carbonate can represent as much as 30% by weight in paints.

Calcium carbonate also is used widely as a filler in adhesives, and sealants.

Personal Health and Food Production: Calcium carbonate is used widely as an effective dietary calcium supplement, antacid, phosphate binder, or base material for medicinal tablets. In products such as baking powder, toothpaste, dry-mix dessert mixes, dough, and wine. Calcium carbonate is the active ingredient in agricultural lime, and is used in animal feed.

Building Materials and Construction: Calcium carbonate is critical to the construction industry, both as a building material in its own right (e.g. marble), and as an ingredient of cement. It contributes to the making of mortar used in bonding bricks, concrete blocks, stones, roofing shingles, rubber compounds, and tiles. Calcium carbonate decomposes to form carbon dioxide and lime, an important material in making steel, glass, and paper.

Our High end Imported Microniser ensures the highest grade & uniform particle size product for the industries like Plastic & paints.

 
   

 We recommend following application

 
   
  • PP compounding for furniture, automobiles and home appliances
  • Antifabrilliant Masterbatches for PP and HDPE woven sack
  • Colour Masterbatches and other Additive Masterbatches
  • PVC Cable compounding
  • Paints
  • Paper Coatings
  • Thermoset plastic SMC, DMC, RTM, Pultrussion
  • Vinyl floorings
  • PU foam (Flexible and Rigid)
 

 We have wide range of Calcium Carbonate, which can be categorized in four sections:

 
   
  • Uncoated Grades
  • Coarse Grades
  • Coated Grades
  • Precipitated grades
 

 Our Suggested grades for Plastic/Paint/Paper Industries

 
   
  JC 10 JC 15 JC 20 JC 300
Specific Gravity

2.6

2.6

2.6

2.6

Bulk Density

950 Gm / Ltr.

1000 Gm / Ltr.

1010 Gm / Ltr.

1040 Gm / Ltr.

Oil Absorption

23Gm / 100Gm

22.0 Gm / 100Gm

20 Gm / 100Gm

18.0 Gm / 100Gm

Dry Brigtness

95.5 %

95. %

94 %

93 %

Moisture Content

0.2 %

0.2 %

0.2 %

0.2 %

pH of 10% Solution

8.5

8.5

8.5

8.5

Top Cut (D-97)

9.0 m

15.0 m

20.0 m

20.0 m

Mean Particle Size (D-50)

2.5 m

3.5 mm

4.0 mm

4.5 m

 
   

For various applications we also manufacture & supply COARSE grade of Calcium Carbonate.

 
   

 Coated grades are also available with us.

 
   

Grades of 1.5% Stearic coated Calcium Carbonate available with us are:

 
   
  1. JC ST 20
  2. JC ST 15
  3. JC ST 10
 

Grades of 1.5% Titanate coated Calcium Carbonate available with are:

 
   
  1. JC TI 20
  2. JC TI 15
  3. JC TI 10
 
   
   

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