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H.K. Sonara & Co.

Foundry Grade Bentonite

Foundry Grade Bentonite
Business Type Manufacturer, Exporter, Supplier, Retailer, Trader, Distributor, Importer

Preferred Buyer From

Location Worldwide

 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.

  • Develops good green and dry strength and better flowability with optimum temperature water.
  • High thermal stability.
  • Easy to develop sharp and strong mold edge and corners.
  • Excellent Ramability.
  • Good mold strength in high pressure molding.
  • Develops good strength at lower addition.
  • Better control on active clay.



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

Parameters  Particulars
Swelling Capacity 30/32 ml
Gel Index 60%
Liquid Limit 400-450
Green Comp Strength 14.00 psi
Dry Comp. Strength 40-50 psi
Mesh (Through B.S.S. 200 sieve ) 90%
Moisture  12%
LOI 9.00%
PH Value 9.5 min

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