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Place of Origin : Zibo, China
Brand Name : Laurel
Certification : ISO9001
Model Number : Laurel-03
MOQ : 20ton
Packaging Details : packed on wooden pallets, with water-proof cover, and tightened with plastic/steel bandages
Delivery Time : 20~30 days
Payment Terms : T/T;L/C
Supply Ability : 10000 ton/Year
Classification : HA60; HA70; HA75; HA80
Product name : Insulation Refractory Brick
Feature : high temperature, Low Iron Content
Usage : linings, furnaces and kilns etc
Material : Alumina brick
Temperature Range : above 1790º C
Steel Furnaces High Alumina Brick Low Iron Content HA75 HA80
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.
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 | |
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.
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
Competitive Advantage:


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Steel Furnaces High Alumina Refractory Heat Resistant Brick Low Iron Content HA75 HA80 Images |