Super high alumina brick
- Description
-
High alumina brick is a kind of refractory material, the main component of this refractory brick is Al2O3. It belongs to the aluminum oxide (Al2O3) content higher than 48% of the aluminum silicate refractory products. A neutral refractory with an alumina content of more than 48%. It is formed by forming and calcining raw materials with high alumina content. High thermal stability, refractoriness above 1770 ℃.
Special high alumina brick is a kind of high alumina brick with high compressive strength and high density. The firing temperature of this high alumina brick is similar to that of general high alumina brick, with low energy consumption and low cost. The service life in the kiln is twice that of ordinary high alumina refractory brick. Special high alumina brick has the characteristics of strong high temperature volume stability, excellent thermal shock resistance, wear resistance and chemical erosion resistance.
General Properties
Chemical Analysis Item Super high alumina brick-80 Super high alumina brick-75
Al2O3 ≥80% ≥75％
Physical Properties
Item Unit Super high alumina brick-80 Super high alumina brick-75 Apparent Porosity % ≤21 ≤26 Bulk Density g/cm³ 2.50-2.60 Cold Crushing Strength MPa ≥70 ≥70 Refractoriness Under load(0.2MPa,0.6%) ℃ ≥1530 ≥1530 Reheating linear Change(1500x2h) % -0.4~+0.2
Keywords：
Super high alumina brick
Power
Refractory materials
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