| MOQ: | 500 pcs |
| Price: | Negotiable Price |
| Standard Packaging: | Pallet |
| Delivery Period: | 10-15 days |
| Payment Method: | L/C,T/T,Western Union,D/P |
| Supply Capacity: | 1000 tons/month |
High Alumina Brick 55-80% Refractory up to 1400℃ / 1500℃ / 1600℃ / 1700℃ Cement Kiln
Leadsun high alumina bricks are made from high-quality bauxite chamotte under advanced production techniques and strict quality inspection. With corundum and mullite as the main mineral phases, the bricks offer outstanding high-temperature strength, excellent chemical corrosion resistance, and long service life.
Technical data
| Item | HA60 | HA70 | HA75 | HA80 |
|---|---|---|---|---|
| AL2O3(%) | ≥60 | ≥70 | ≥75 | ≥80 |
| SIO2(%) | 32 | 22 | 20 | ≥18 |
| Fe2O3(%) | ≤2.5 | ≤2.0 | ≤1.8 | ≤1.5 |
| Refractoriness °C | ≥1750 | ≥1780 | ≥1800 | ≥1850 |
| Bulk density,g/cm3 | 2.35-2.4 | 2.45-2.5 | 2.5-2.55 | 2.75-2.8 |
| Softening temperature under load | ≥1450 | ≥1510 | ≥1520 | ≥1600 |
| Apparent porosity,% | ≤24 | ≤23 | ≤21 | ≤18 |
| Cold Crushing strength Mpa | ≥45 | ≥50 | ≥60 | ≥85 |
Key Advantages
Features
Applications
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