Customization: | Available |
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Material: | Ceramic, Alumina Lining |
Type: | Acid Resistance |
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High Strength ceramic acid resistant brick
Acid resistant fire brick, Acid-proof brick is a kind of corrosion resistant material,with the quartz, feldspar, clay as the main raw material, making by high temperature oxidation decomposition. The feathers are high alkali resistance, low bibulous rate, not easy to be oxidized at room temperature, not easily to be medium pollution. In chloride brine temperature, Acid proof bricks have excellent corrosion resistance to hydrochloric acid, sulfuric acid, nitric acid and other acids and alkali at room temperature for any concentration of classes, except hydrofluoric acid and thermal phosphoric acid.
Item | Unit | Indicator | Standard |
Volume density | g/cm3 | 2.3-2.4 | GB/T8488-2008 |
Water absorption | % | 0.2-0.5 | |
Anti-bending intensity | Mpa | >58.8 | |
Acid degree | % | >98.8 | |
Quenching and heat resistant acute | After 100 test, the sample may not crack, such as damage to the phenomenon of falling off |
Item | Permitted results | ||||
N-1 | N-2 | N-3 | N-4 | ||
Water absorbability (A) % | 0.2≤A<0.5 | 0.5≤A<2.0 | 2.0≤A<4.0 | 4.0≤A<5.0 | |
Bending strength MPa | ≥58.8 | ≥39.2 | ≥29.4 | ≥19.6 | |
Acid-resistance % | ≥99.8 | ≥99.8 | ≥99.8 | ≥99.7 | |
Thermal shock resistance | 100C | 100C | 130C | 150C | |
After one test, no crack or scale are allowed | |||||
Chemical composition% | Al2O3 | ≥21 | |||
SiO2 | ≥67 | ||||
Fe2O3 | ≤1.3 |
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