| Place of Origin: | Zibo, China |
|---|---|
| Brand Name: | Laurel |
| Certification: | ISO9001 |
| Model Number: | Laurel-03 |
| Minimum Order Quantity: | 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 |
|---|---|---|---|
| Shape:: | Brick | Feature:: | Acid Erosion Resistance |
| Usage: | Linings, Furnaces And Kilns Etc | Temperature Range: | High Temperature |
| High Light: | High alumina insulation brick,high alumina cement |
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Fire Resistant High Alumina Bricks , Refractory Insulating Brick For Steel Furnaces
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
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:
