Astrra Chemicals

Calcium Carbonate Powder (Grade – Heavy)

We are the stalwarts in the domain of manufacturing, supplying, wholesaling, and exporting Calcium Carbonate Powder (Grade – Heavy).   These flavor grade chemicals are processed using pure and accurate ingredients that are procured from reliable and trusted vendors of the market. Our range is available in the market at leading prices in packs of different quantities.



Calcium Carbonate (CaCO3) (Grade Heavy), particularly in its heavy grade form, has a wide range of uses and applications across various industries.

Here are some of the common uses and applications of heavy-grade calcium carbonate:

Construction Industry:

Concrete Production: Calcium carbonate is used as a filler material in the production of concrete to enhance its strength and durability.

Asphalt Mixtures: It is used as a filler and a viscosity modifier in asphalt mixtures.

Paper Industry:

Paper Manufacturing: Calcium carbonate is a common filler material in the paper industry. It improves paper opacity, brightness, and printability while reducing production costs.

Paper Coating: It is used in the coating of paper to enhance its smoothness and gloss.

Plastics and Rubber Industry:

Plastic Products: Heavy-grade calcium carbonate is used as a filler in the production of plastic products to increase stiffness, reduce production costs, and improve properties like impact resistance.

Rubber Products: It is used in the production of rubber products to improve wear resistance and reduce costs.

Paints and Coatings:

Paint Manufacturing: Calcium carbonate is added to paints and coatings as a pigment and filler to improve opacity, whiteness, and coverage.

Ink Production: It is used in the production of printing inks.

Pharmaceuticals and Nutritional Supplements:

Calcium carbonate is a common ingredient in calcium supplements due to its high calcium content. It is also used as an antacid to relieve heartburn and indigestion.

Food Industry:

It is used as a food additive (E170) to provide calcium fortification, as a white pigment in food products, and as a pH regulator.

Environmental Applications:

Calcium carbonate can be used in flue gas desulfurization (FGD) systems to remove sulfur dioxide from exhaust gases in power plants and industrial processes.

It is used in water treatment to adjust the pH of acidic water.

Agriculture:

In agriculture, calcium carbonate is used as a soil conditioner to neutralize acidic soils, improve soil structure, and provide calcium to plants.

Animal Feed:

It is used in animal feed formulations to supplement calcium and provide essential nutrients to livestock.

Cosmetics:

Calcium carbonate is used in cosmetics and personal care products as a mild abrasive in toothpaste and skincare products.

Manufacturing of Ceramics:

In the ceramics industry, heavy-grade calcium carbonate can be used as a raw material in the production of ceramics, such as tiles and pottery.

Adhesives and Sealants:

It is used as a filler in adhesive and sealant formulations to improve viscosity and performance.

Oil and Gas Industry:

Calcium carbonate is used in drilling muds and cementing operations in the oil and gas industry to control fluid density and prevent well blowouts.

Metallurgical Applications:

It can be used as a flux in the metallurgical industry to remove impurities during the smelting process.

These are just some of the many uses and applications of heavy-grade calcium carbonate. Its versatility and wide availability make it a valuable material in various industries. The specific grade and characteristics of calcium carbonate can vary depending on the intended application.