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Acrath - Acid-Resistant Bricks
Acrath are class 1 acid-resistant brisks (Acrath S1-t) or 3 (Acrath S3-t). The bricks are resistant to many types of chemical attacks, especially acidic furnace exhaust gases and sulfur compounds, even at or below dew point. They are therefore used in tall chimney construction and for acid-resistant walls. The high abrasion resistance and chlorine resistance mean they can be used in fluidized bed systems and preheaters for the cement industry, if raw materials or fuels have corresponding loads.
- Dimensional stability
- High thermal shock resistance
- Highly resistant to acids
- Wide range of applications
- Finishing possible
For any application, optimum durability can be achieved by a suitable combination of raw materials.
The dense bricks are usually dry-pressed or pre-drawn with an extruder. For small batches, they are compacted or cast. Dense refractory bricks are used in most industrial plants with high process temperatures due to their special achievable properties, in contact with gaseous, liquid or solid materials.
- Iron and steel industry
- Aluminum industry
- Energy production, waste incineration
- Cement industry
- Chemical industry
- Carbon black production
- Ceramic industry
- Glass industry