Limestone and Products
Talk about the Heavy Calcium Carbonate

At the factory of company which I work for, the Heavy Calcium Carbonate products are produced by mining the Crystalline Limestones at the mines of company, crushing them and sorting them to the various sizes.

You can rarely see the Heavy Calcium Carbonate because it is used as a raw material of product. But it is included in many things around you.

The Limestone, the source of Calcium Carbonate, is the underground resource of rich quantity and high quality in Japan which has poor underground resources. Not only inside Japan, A lot of Heavy Calcium Carbonate products are also exported to the foreign countries.

In these pages, I introduce you how the Heavy Calcium Carbonate is made from the limestone, and what it is used for.



Limestone, the raw material of Heavy Calcium Carbonate.

How the powder of Heavy Calcium Carbonate is produced.

What the Heavy Calcium Carbonate is used for.

Also exported much to the overseas countries.

Data of the Heavy Calcium Carbonate.

Asking about the products.


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