Place of Origin: | Zhejiang |
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Location: | Beijing, China (Mainland) |
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Business Type: | Manufacturer |
Main Products: | Insulation Refractory , Fire Brick Refractory , Ceramic Fiber Refractory |
Model No.: | Laurel-03 |
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Low Iron Content High Alumina Brick Higher Density Thermal Insulation
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 |