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Phosphate High Alumina Brick
Brand: HongTai Refractory
Category: High Alumina Brick
Al2O3: 75-80%
Bulk Density: 2.65-2.8g/cm3
Payment Terms: T/T, Credit Cardse, E-Checking, Alibaba Trade Assurance
Product Information
Phosphate High Alumina Bricks – Refractory bricks with 48-55% alumina and phosphate binders. Withstands extremely high temperatures up to 1,800°C. Phosphate alumina firebricks are dense, durable and resist slagging, abrasion and chemical corrosion.
Ideal for furnace linings, kiln construction, incinerators and other applications where severe heat and physical stress are present. Experience longer service life, reduced wear and greater energy efficiency with these high-alumina phosphate-bonded bricks.
Affordable, high-performance refractory bricks for maximum furnace productivity and temperature resistance.
| Item | Chemical Bonded | Phosphate Bonded – P | Phosphate Bonded – PA | High RUL |
| Al2O3, %, ≥ | 75 | 75 | 80 | 78 |
| Fe2O3, %, ≤ | 2 | 2 | 2 | 2 |
| CaO, % | – | 0.6 | 0.6 | – |
| Bulk & Density, g/cm3 | 2.65 | 2.7 | 2.75 | 2.8 |
| Refractoriness, ℃ , ≥ | 1770 | 1790 | 1790 | 1790 |
| Apparent Porosity, %, ≤ | 18 | 18-21 | 20 | 19 |
| Cold Crushing Strength, MPa, ≥ | 60 | 70 | 75 | 80 |
| Refractoriness Under Load of 0.2MPa, ℃ , ≥ | 1400 | 1350 | 1450 | 1460 |
| Thermal Shock Resistance (1100 ℃ -water cooling), times | 15 | – | – | 20 |
- High Alumina Content
- Phosphate Bonding
- Good Thermal Shock Resistance
- Strong Mechanical Strength
- Chemical Resistance
- Versatility
| Industry | Applications |
|---|---|
| Steel Industry | Electric arc furnaces, ladles, and blast furnace hearth linings |
| Cement Industry | Rotary kilns, preheaters, and coolers |
| Glass Industry | Glass melting furnaces and regenerators |
| Petrochemical | High-temperature reactors, cracking furnaces, and other equipment exposed to high temperatures |
| Aluminum | Aluminum smelting furnaces and electrolytic cells |
| Incineration | Waste incinerators and biomass boilers |
| Non-ferrous Metals | Furnaces for smelting non-ferrous metals like copper, zinc, and nickel |
