Bentonite

What it is

Swelling clay used in foundry sand, drilling mud, iron ore pelletising, cat litter, waterproofing and bleaching oils.

Sodium bentoniteCalcium bentoniteActivated bentoniteFoundry gradeDrilling fluid grade (IS 12446)

Where India produces it

1. GujaratBhavnagarKachchh

   Bhavnagar and Kachchh are major producing areas; Gujarat holds 25% of resources.

2. RajasthanBarmer

   Barmer is a major producing area; Rajasthan holds 73% of resources.

Where imports come from

Low: 135,448 t imported in 2023-24.

Rules before you buy or sell

• Bentonite is a minor mineral; leases and royalty are under state rules.
• Check the current import and export policy for your exact 8-digit HS code in the DGFT ITC(HS) schedules.

Storage and handling

Store in bags under cover; it absorbs water and cakes.

Businesses that use it

Mineral Grinding Unit →High Duty Iron Castings (Foundry) →