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Chromite Sand

Chromite Sand

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Specifications:


  • Cr2O3
  • SiO2
  • AFS of 25-70 with a broad distribution

Why Chromite Sand:

Chromite sand has been selected and used in foundries as a result of its unique combination of properties. The properties listed below generally result in a better surface finish and reduced likelihood of casting defects.


  • High thermal conductivity
  • Low thermal expansion
  • Wetability resistance to molten steel
  • Basic to neutral pH
  • High Fusion Point
  • Broad sieve distribution

Earthdhatu’s is the only chromite supplier that offers the business a full life-cycle support, starting with our producers mine and ending in your mold. Combined with worldwide logistics and a global technical support team, these components work together to provide the highest-quality finished castings, saving your business both time and money. As part of our commitment and service to our valued customers, we add value with our expertise in all areas of the foundry, including but not limited to;


  • Methods and pattern design
  • Sand systems
  • Molding
  • Painting and closing
  • Pouring
  • Melting
  • After-cast processes
  • In-house training

Exclusive Features & Benefits of Earthdhatu’s Offered Chromite Sand.
The unique characteristics and proven performance of our supplied Chromite sand provides a means for foundrymen to cast tough jobs and produce high quality castings, compared to silica sand. It prevents metal penetration and can be used with most foundry binders in molds and cores by offering low thermal expansion, low binder requirements, and significantly reduces overall cleaning costs. Other features and benefits include;


  • Excellent chilling characteristics can eliminate the need for metal chills
  • Chipping, grinding, and overall cleaning costs significantly reduced
  • Reduced gas defects due to minimal binder requirements along with excellent permeability
  • Preferred aggregate for large iron, steel, copper base and high alloy castings due to high resistance to penetration
  • Excellent peel characteristics and good surface finish due to superior resistance to metal oxides and slag
  • High thermal stability reduces expansion defects, enhancing overall dimensional accuracy