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Madhya Bharat Ceramics


Water Absorbtion - Water absorption is of particular interest in the ceramic packing as it indicates the degree of firing and vitreousity of the packing material.


Resistance to Acid - Acid resistance indicates the resistance or the solubility of the material subjected to the attack of concentrated acid.


Crushing Strength - Crushing strength is the load required to break the packing. In Ceramic rings it is applied diametrically and strength is usually expressed in Kg/linear Cm., while in case of saddles and other items the total load required in Kg. to break the piece is expressed as crushing strength.


Chemical Analysis - In packing materials, the chemical analysis is only indicated since the versatility of the packing depends on the performance of the product.


Raw Material Test

  • Physical Inspection for colour and texture
  • Particle Size
  • Chemical analysis.


Inprocess Test

  • Particle size by sieve analysis
  • Density of slip • Filter cake moisture content
  • Extruded blank moisture after drying to leather hard condition
  • Random tests for dimensions
  • Visual Inspections
  • Pre Kiln moisture content tests


Firing Controls

  • Firing control by automated combustion control systems(Air Fuel ratio, Temperature firing curve)
  • Steady pre heating to avoid stresses on the ware
  • Long soaking to achieve 100% penetration of heat through out the wall thickness to facilitate proper VITRIFICATION
  • Rapid cooling upto 700 degree Celsius
  • Slow cooling from 700 to 600 degree Celsius (to facilitate quartz inversion volume change)
  • Bringing down to room temperature at a steady rate


Final Product Tests

  • Dimensional Checks
  • Weight
  • Water absorption
  • Resistance to Acids and Alkalis
  • Crushing strengths
  • Tests conducted as per ASTM 279C, DIN and Customers specifications


Quality Norms - Quality norms are maintained as per ASTM/DIN/As per Customers specifications

Firing Controls

Firing Controls

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