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High alumina bricks

High AluminaBrick Description High alumina bricks are mainly made of clinker of bauxite and other materials, mixed at high temperature, formed, dried and sintered. The Al2O3 content of high alumina bricks varies according to different ratios. The general content is stable at 48%-80%, the maximum ..

Description

  1. High AluminaBrick Description

High alumina bricks are mainly made of clinker of bauxite and other materials, mixed at high temperature, formed, dried and sintered. The Al2O3 content of high alumina bricks varies according to different ratios. The general content is stable at 48%-80%, the maximum alumina content can reach 90%, and the refractory temperature can reach 1770℃.

  1. High Alumina BrickFeatures
  • High strength.
  • Strong pressure resistance.
  • The content of iron and other impurities is extremely low.
  • Lightweight and energy-saving.
  • Low heat storage
  • Can be heated quickly

3.Technical Data

International code nameSK35SK36SK37SK38SK40
Al2O3/%≥48≥55≥65≥75≥80
Fe2O3/%≤2≤2≤2≤2≤2
Refractoriness≥1750 °C≥1770 °C≥1790 °C≥1790 °C≥1790 °C
Apparent porosity≤22%≤22%≤23%≤23%≤21%
Cold crushing strength≥39Mpa≥44Mpa≥49Mpa≥54Mpa≥65Mpa
Refractoriness under load (0.2MPa)≥1420 °C≥1470°C≥1500 °C≥1520 °C≥1530 °C
Reheating Linear Change (1500°C 2h) %+0.1~ -0.4
*1450°C
+0.1~ -0.4+0.1~ -0.4+0.1~

-0.4

+0.1~ -0.4

 

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office address

No.92 Jianshe West Road, Zhongyuan District, Zhengzhou, Henan,China.

Factory address

Liguo Village Refractory Industrial Park, Xinmi City, Zhengzhou City, Henan Province,China