Alumina Silica Fire Brick

Alumina Silica Fire Brick is a kind of alumina silica refractory materials, which is widely applied for various parts of industrial furnaces such as coke ovens, hot blast stoves, glass kiln and steelmaking electric furnaces. Alumina Silica Refractory Brick includes many types as belows:

High Alumina Fire Brick

Al2O3: 48-80%;
Refractoriness Under Load: 1420-1530℃;
Cold crushing strength: 40-70MPa;
Sample: available;

Silica Fire Brick

SiO2%: ≥94
Fe2O3/%: ≤1.4
Refractoriness Under Load (℃): ≥1650
Sample: testing of sample is available

Al2O3/%: 95-98
SiO2/%: 0.15-0.5
Cold crushing strength: 80-100MPa
ISO9001/ISO14001/ISO45001/ISO50001

Fire Clay Brick

Al2O3≥/%: 25-42
Fe2O3)≤/%: 2.0
0.2MPa Refractoriness Underload T0.6/℃(≥): 1250-1440
Cold Crushing Strength (MPa): 15-45

ZrO2%: ≥ 16
Fe2O3%: ≤ 0.5
Bulk Density (g/cm³): ≥ 2.70
Cold Crushing Strength/MPa: ≥ 70

Zirconia Corundum Bricks

Apparent porosity %: ≤20
Refractoriness under load°C: ≥1650℃
Al2O3: ≥45%
Bulk density g/cm3: ≥3.2

Mullite Refractory Brick

Al2O3% (≥): 62-70
Fe2O3)/%(≤): 1.5-1.8
Refractoriness Under Load (℃)(≥): 1760-1780
Cold Crushing Strength (MPa)(≥): 25

Andalusite Brick

Al2O3: ≥55%;
Fe2O3: ≤1-1.5%;
Bulk Density: 2.30-2.70g/cm³;
Refractoriness Under Load: ≥1450-1700ºC;

Mullite Insulation Brick

Al2O3(%)≥: 42-72
Fe2O3(%)≤: 0.5-1.0
Bulk Density (g/cm³)≤: 0.6-1.1
Cold Crushing Strength (MPa)≥: 1.5-3.5