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      Fireclay
      Addtime:2011/10/21 15:49:46   Hit:0   Add to Favorites
       Fireclay
      Code TH90 Th80 Th65 Th40 Th30 THM70 Th93 Ls18 MTH93
      Quality Corundum  Corundum Corundum  Fireclay Fireclay Mullite  Silica Semi-Silica Magnesia
      Refractorines (℃) 1850 1790 1710 1650 1580 1810 1690 1580 790

      Chemical Composition(%)

      Al2O3 ≥ 90 80 65 40 30 70 93() 65() 93(MgO)
      Fe2O3≤ 1 2 2.5 2.5 3.5 1.2 4() 20() 1.2

      Grain Size mm (%)

      ≥ 1.0   
      ≥ 0.5  ≤ 2  ≤ 2  ≤ 2  ≤ 2  ≤ 5  ≤ 2  ≤ 2  ≤ 2  ≤ 2 
      ≤ 0.076  ≥65  ≥65  ≥65  ≥70  ≥50  ≥70  ≥70  ≥65  ≥65 
      Cold Crushing Strength (MPa) 110℃×24h ≥ 1 0.8 0.6 0.7 0.2 1 1 0.5 1.5
      1600℃×3h≥ 8 8 6(1500) 6(1400) 1.5(1300) 8(1500) 6.0(1400) 2(1000) 6(1500)
      (Min.)Setting time 90-120  90-120  90-120  90-120  90-120  90-120  90-120  90-120  90-120 
      Characteristics Air-setting  Air-setting  Air-setting  Air-setting  Air-setting Air-setting  Air-setting  Air-setting Air-setting
      Application Area for example The joining seams of relating-quality firebrick  

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