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Our Complete range of products are IOP Grade Bentonite Powder and Foundry Grade Bentonite Powder.

IOP Grade Bentonite Powder

  • Material Bentonite Clay
  • Form Powder
  • Packaging Type Plastic Bags
  • Packaging Size 25kg, 50kg
  • Type IOP Grade
  • Style Dried

Specifications

Properties Unit IOP Insta Bond IOP Super Bond IOP High Bond
Free Swelling Volume 2 gm/ 100 ml ml 28-30 30-32 32-35
Methylene Blue Absorption Value mg.gm of clay 350-375 375-400 400-450
P.W.A. - 550-650 600-700 650-750
Moisture by Weight % 12 12 12
Passing 200 Mesh if Powder % 85 Min. 85 Min. 85 Min.

 

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Foundry Grade Bentonite Powder

  • Material Bentonite Clay
  • Form Powder
  • Packaging Size 25kg, 50kg
  • Type Foundry Grade
  • Style Dried
  • Application Foundry

All Cast Iron, Steel & Malleable iron founders are almost using Bentonite with cost efficient results, kutch region is famous for a very good sodium Bentonite for casting industries continuos mould making kutch Bentonite is used successfully. Bentonite is used as a bonding materials in the preparation of moulding sand for the production of cast iron, steel and non ferrons casting. The unique properties of bentonite yield green sand moulds with good flowability, compactability and thermal stability for the production of high quality castings.
Darshna Minerals Foundary Grade Bentonite is a sodium based bentonite of high purity mined and processed especiality for foundry from ores with a high compositions of montmorollinite.

The man features of Drashna Minerals Foundry Grade Bentonite are listed below :

  • Excellentgelling which gives high strength in less mulling time.
  • Swelling & pH Maintaining
  • Acts as a quick bonding element
  • Great thermal stability with generation of lesser dead clay
  • Active clay maintaining due to high montmorillonite values.
  • High Strength on good compatibility.
  • Enviornmentally Acceptable.

Specifications

Properties Unit Foundry Normal Bond Foundry Insta Bond Foundry Super Bond Foundry High Bond
Free Swelling Volume 2 gm / 100 ml ml 20-22 24-25 28-30 32-35
Methylene Blue Absorption Value mg/gm of clay 325-350 375-400 375-425 400-450
Get Time 2.5 gm-25 ml Second 1 min. Instant Instant Instant
Wet Tensile Strength (N/cm2) ml 0.20-0.22 0.23-0.25 0.25-0.30 0.30-0.40
Getting Index ml 80-60 80-90 85-90 85-90
Moisture Content by weight % 12 12 12 12
pH Value 2% Slurry pH 9.0-10.0 9.0-10.0 9.0-10.0 9.0-10.0
Passing 200 Mesh % 85 Min. 85 Min. 85 Min. 85 Min.

 

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