Steel Furnaces Fire Brick Refractory , High Alumina Refractory Bricks
High alumina fire bricks are engineered for extreme high-temperature applications, combining excellent thermal stability, mechanical strength, and chemical resistance. Produced by a reliable high alumina bricks manufacturer, these bricks offer consistent quality and long service life. The China high alumina brick variants provide cost-effective and durable solutions for industrial furnaces, kilns, and heat treatment equipment.With excellent thermal performance, chemical resistance, and reliable strength, high alumina fire bricks, produced by a professional high alumina bricks manufacturer, and China high alumina brick variants ensure optimal performance in demanding industrial furnaces.
Key Features
High Refractoriness – High alumina fire bricks withstand continuous service temperatures up to 1750°C.
Superior Mechanical Strength – Strong enough to resist spalling and deformation under heavy loads.
Chemical Resistance – Excellent stability against acidic and neutral slags, ensuring durability.
Precision Manufacturing – Produced by a professional high alumina bricks manufacturer for uniform quality and dimensions.
Wide Range of Applications – Ideal for steel, cement, glass, and ceramic industry furnaces, as well as China high alumina brick options for global markets.
Description:
Laurel high alumina bricks are produced with selected bauxite chamotte by advanced process and strict quality control. The main mineral components are corundum and mullite phases. It features excellent high temperature mechanics and chemical corrosion resistance.
The most competitive price,good quality,safty packing,prompt delivery time,and excellent after-sales services.
Lower ferric Oxide,lower porosity,higher refractoriness,higher density,higher CCS and exact tolerance.
Features
1.Resisting high temperature
2.Great bulk density
3.Low iron content
4.Good eroding resistance
Applications:
1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln
Specifications:
Ordinary High alumina brick
| Item | HA60 | HA70 | HA75 | HA80 |
| AL2O3(%) | ≥60 | ≥70 | ≥75 | ≥75-80 |
| SIO2(%) | 32 | 22 | 20 | ≥18 |
| Fe2O3(%) | ≤1.8 | ≤1.8 | ≤1.8 | ≤1.8 |
| Refractoriness °C | 1790 | ＞1800 | ＞1825 | ≥1850 |
| Bulk density,g/cm3 | 2.4 | 2.45-2.5 | 2.5 | 2.55-2.6 |
| Softening temperature under load | ≥1470 | ≥1520 | ≥1530 | ≥1550 |
| Apparent porosity,% | 22 | ＜21 | ＜21 | ＜20 |
| Cold Crushing strength Mpa | ≥45 | ≥50 | ≥54 | ≥60 |
Phosphate bonded high alumina bricks
| Item | LAP75 | LAP77 | LAP85 |
| AL2O3 % | ≥75 | ≥77 | ≥80-85 |
| Fe2O3 % | ≤3.0 | ≤3.0 | ≤1.8 |
| Ca0 % | ≤0.6 | ≤0.6 | ≤0.6 |
| Refractoriness °C | ≥1800 | ≥1800 | ≥1850 |
| Bulk density g/cm3 | ≥2.65 | ≥2.70 | ≥2.80 |
| Cold crushing strength MPa | ≥60 | ≥64 | ≥110 |
| Refractoriness under load 0.2MPa °C | ≥1350 | ≥1300 | ≥1350 |
| Application | Used for high temperature parts lining of cement rotary kiln | Used for Badly worn parts of cement rotary kiln |
Competitive Advantage:
- Competitive Price. Make the products competitive in your market.
- Abundant Experience. Prevent cracks and twist in bricks.
- Different Moulds. Save mould fees for you.
- Strict Quality Control. Meet clients’ quality requirement.
- Large stocks. Guarantee prompt delivery.
- Professional Packing. Avoid damage and secure the goods in transportation
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