Zhengzhou Jansincere Refractory Co., Ltd
Zhengzhou Jansincere Refractory Co., Ltd
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High Grade Alumina Brick
High Grade Alumina brick is made of high bauxite clinker, brown corundum, andalusite and coke gem as the main raw materials, combined with high quality soft clay, formed by high pressure and sintered at high temperature. It is mainly used for the bottom of the melting pool of glass kiln and the middle and lower part of the regenerator.
▌FEATURES
1. High load softening starting temperature；
2. High compressive strength；
3. Strong permeability resistance；
▌PHYSICAL AND CHEMICAL INDICATORS
| Item | Unit | AL-75 | AL-80 | AL-83 | |
| Chemical composition | Al2O3 | % | ≥75 | 80 | ≥83 |
| Fe2O3 | % | ≤1.8 | ≤1.5 | ≤1.5 | |
| Apparent Porosity | % | ≤24 | ≤21 | ≤21 | |
| Bulk Density | g/cm3 | ≥2.50 | ≥2.65 | ≥2.70 | |
| Cold Crushing Strength | MPa | ≥70 | ≥90 | ≥100 | |
| Refractoriness Under load | ℃ | ≥1530 | ≥1550 | ≥1550 | |
| Reheating Linear Change(Water) | % | 1500*2h -0.4~+0.2 | 1500*2h -0.4~+0.2 | 1500*2h -0.4~+0.2 | |
▌PRODUCT PICTURE
