It is a specially processed with necessary additives to achieve good thermal conductivity at higher temperature. It is rich sodium montmorillonite clay. It is ground to 200 Mesh powder. Primary use is in the production of non – ferrous castings.
Mixing ratio depends on sand fineness and its quality, impurities, clay particles and fineness of sand will affect the Green strength properties.
50 kg HDPE second hand and new Bag.
Specification of Foundry Grade Bentonite
|Swelling Capacity||30/32 ml|
|Green Comp Strength||14.00 psi|
|Dry Comp. Strength||40-50 psi|
|Mesh (Through B.S.S. 200 sieve )||90%|
|PH Value||9.5 min|