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Andalusite Brick

Features

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Product Details

ItemsPhysical and Chemical Indexs
Andalusite Brick 55Andalusite Brick 60Andalusite Brick 65
AL2O3 %≥55≥60≥65
Fe2O3(%)≤1.5≤1.0≤0.8
Apparent Porosity(%)≤22≤21≤20
Bulk Density(g/cm3)≥≥2.3≥2.4≥2.5
Cold Crushing Srength MPA≥≥50≥55≥60
Refractoriness under load℃≥1630°C≥1650°C≥1700°C
The creeprate of 0.2 MPa1500°C1500°C1500°C
H%(20~50)0.2MPa≤0.2≤0.2≤0.2
Refiringline change rate %1500°Cx4h±0.21500°Cx4h±0.21500°Cx4h±0.2
Thermal shock stability,secondary(1100℃ water cooling)950°C≥30950°C≥30950°C≥30


ItemsHIGH ALUMINA BRICK
LZ-55LZ-65LZ-75LZ-80
AL2O3 %≥55≥66≥75≥80
Fe2O3(%)≤2.6≤2.0≤2.0≤1.8
Apparent Porosity(%)≤24≤20≤19≤18
Bulk Density(g/cm3)≥2.352.502.602.70
Refractoriness°C ≥1700177017901790
Cold Crushing Srength MPA≥50607080
Refractoriness under load 0.2Mpa.°C1420146015101550

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