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Acid and heat resistance brick are ideal lining for all kinds of reaction pot,tower,pool and stiring machine on
non-ferrous metal smelting industry,chemical factory and titanium dioxide plant.
Main chemical composition of tile (%):
| SiO2 | A12O3 | K2O | Na20 | CaO | MgO | Fe2O3 | Loss neight | Acid resistance |
| 69.8 | 22.5 | 2.7 | 0.95 | 0.82 | 0.12 | 0.05 | 0.54 | 99.8 |
Main technical indexes:
Item | Unit | data | Standard |
Bulk density | G/m3 | 2.21-2.24 | HG/T3210-1986 |
Aperture ratio | % | 9.3-10.5 | HG/T3210-1986 |
Water adsorptivity | % | 4.2-4.7 | GB/T8488-2001 |
Thermal shock resistance | 950-20°C | not crackle after 10 times after sudden change in temperature | GB/T8488-2001 |
Elastic moduli | Mpa | 2138 | DIN |
Compression strength | Mpa | 100 | JC424-91 |
Thermal conductivity | W/m.k | 1.175 | DIN |
Expansion coefficient | 1/°C | 3.2×10-2 | DIN |
Expansion rate | % | 0.31 | DIN |
Acid-resistance rate | % | ≥99.7 | GB/T8488-2001 |
acid and heat resistance brick in ceramic