Properties of first class bricks

Tuesday, September 5, 2017 19:54
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Properties of first class bricks

  • All bricks should be of first class of standard specifications.
  • Bricks should be made of good earth completely burnt.
  • Bricks should be of deep cherry red or copper color.
  • Bricks should be regular in shape.
  • Edges of bricks should be sharp.
  • On being struck, bricks should emit clear ringing sound.
  • Bricks should be free from cracks, chips, flaws and lumps of any kind.
  • Bricks should not absorb water more than one sixth of its weight after one hour of immersing in water.
  • Bricks should have a minimum crushing strength of 105 kg per square meter ( 1500 lbs per square inch).
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