Dolomite Manufacture supplier distributor in kolkata india

Dolomite is used as an ornamental stone, a concrete aggregate, and a source of magnesium oxide, as well as in the Pidgeon process for the production of magnesium. It is an important petroleum reservoir rock and serves as the host rock for large strata-bound Mississippi Valley-Type (MVT) ore deposits of base metals such as lead, zinc, and copper. Where calcite limestone is uncommon or too costly, dolomite is sometimes used in its place as a flux for the smelting of iron and steel.

walnut shell wholesale distributor supplier in kolkata port marine chemical

Walnut shell is soft abrasive for industrial use.Walnut shell has excellent durability.
walnut shell also used to blast clean and polish soft metals, glass, fiberglass, wood, plastic, and stone.
walnut shell is used in both tumbling and vibratory application for polishing gems and jewelry. 
it also works as a de-flashing product for molding casting are electrical parts.

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