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Acid resistance bricks
Acid resistance bricks and boards are widely used in drying,absorbing and reactor in metallurgical,chemical and petrochemical.They also can be used for lining in antiseptic pool, floor and passageway.
Chemical Composition:
SIO2 | A12O3 | K2O | Na2O | CaO | MgO | Fe2O3 | Loss neight | Acid resistance |
69.8 | 22.5 | 2.7 | 0.95 | 0.82 | 0.12 | 0.49 | 0.54 | 99.8 |
Physical Properties:
Item | Un-t | Index | Remark |
Specific gravity | g/cm³ | 2.31-2.4 | ZBG94003--86 |
Water absorption | % | <0.2 | GB8488--2001 |
Acid resistant | % | ≥99.8 | GB8488--2001 |
Rupture strength | Mpa | >42 | GB8488--2001 |
Compression strength | Mpa | >120 | ZBG94003--86 |
Thermal shock | 130°c-20°c | No crackle three time | GB8488-87 |