• High Alumina brick
  • High Alumina brick
  • High Alumina brick
  • High Alumina brick
  • High Alumina brick

High Alumina brick

  • Al2O3:≥70
  • Fe2O3:≤2
  • Cold Crushing Strength(MPa):≥60
  • Refractoriness Under Load(T0.6,℃):≥1500
  • Thermal Shock Resistance, Time(1100℃, water-cooling):≥20
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High Alumina brick Features:
Strong volume stability at high temperatures, good thermal shock resistant, wear resistance and chemical attack resistance.
High Alumina brick Applications: Transitional zone, re-heater of cement rotary kiln and other thermo technical equipment that requires good thermal shock resistance. 

Item

High Alumina Brick for Glass Kiln

 

YRS-70

Chemical Composition(%)

AL2O3

≥70

 

Fe2O3

≤2

Refractory Temperature (℃)

≥1790

Volume Density      (g/cm3

2.50-2.60

Apparent Porosity     (%)

≤22

Cold Crushing Strength (MPa)

≥60

Refractoriness Under Load(T0.6,℃)

≥1500

Thermal Expansion Rate (1000℃,%)

0.4-0.5

Thermal Conductive Coefficient (w/m.k)

1.2-1.4

Thermal Shock Resistance, Cycles( 1100℃, Water-cooling) 

≥20

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