Foundry Grade Bentonite Powder

Highlights :
High gel strength compact ability
Thermal stability
Wall building properties

All cast iron, steel & malleable iron foundries are almost using Bentonite with cost efficient results, kutch region is famous for a very good sodium Bentonite for casting industries. For continuous mould making also kutch Bentonite is used successfully. Our foundry grade Bentonite powder gives good flow ability. Compact ability and thermal stability for the production of high quality castings.

We maintaining following parameter which help to make high quality castings
High gelling time which gives high strength in less mulling time
pH Maintaining
Active clay maintaining
High strength on good compatibility

Details
Parameter Specification
Water of Crystallization 10MIN
Na2O/CaO ration 1.3
pH 9-11
Gelling Time Instant
Swelling Capacity 30MIN
Swelling Index 20MIN
Methylene Blue Value (MBV),mg/g 420MIN
Fineness, passing 200 mesh 82MIN
Green Compressive Strength (GCS), psi 6.5-8.5
Montmorillonite content, % 80MIN
Wet Tensile strength N/cm2 0.30MIN.
Gangue material, % on 270 mesh (wet) 1-2.5%