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Quality Assurance



We -  J. R. Refractory are quality oriented manufacturer and exporter of clay bricks, fire bricks, refractory bricks and many other products. We have a laboratory in Ahmedabad (Gujarat, India), where we conduct the following tests as per the Indian Standards:

  • Apparent Porosity
  • Bulk Density
  • Chemical Analysis
  • Cold Crushing Strength
  • Hot Modulus Of Rupture
  • Permanent Liner Change
  • Pyrometric Cone Equivalent
  • Refractoriness Under Load
  • Sieve Analysis
  • Spalling Resistance
  • Thermal Conductivity



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