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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