Aluminum tube high alumina brick at a competitive price
Negotiable /Ton
Min.Order:1 Ton
Zhengzhou Sunrise Refractory Co., Ltd.
Aluminum manufacturer of high alumina brick at a reasonable price
Aluminum silicate brick high alumina brick at a competitive price
used at bottom of glass furnace fire bricks for sale Big Fireclay Bottom Blocks PAQB
Refractory Mass Big Fireclay Bottom Blocks PAQB for glass fusing kiln
for glass fusing kiln types of fire bricks Big Fireclay Bottom Blocks PAQB
High alumina refractory brick Primarily used for industrial ceramics, electronics, petrochemical and metallurgical industries.
Physical and chemical index
Item | AKZ-85 | AKZ-90 | AKZ-99 | |
Chemical composition | Al2O3 | ≥85 | ≥90 | ≥99 |
SiO2 | ≤13 | ≤8 | ≤0.2 | |
Fe2O3 | ≤0.5 | ≤0.5 | ≤0.5 | |
Apparent Porosity% | 58-62 | 58-62 | 58-62 | |
Bulk Density g/cm3 | 1.4-1.7 | 1.4-1.7 | 1.4-1.7 | |
Cold Crushing Strength Mpa | ≥12 | ≥10 | ≥9 | |
0.1Mpa Refractoriness Under Load T0.6 °C | ≥1650 | ≥1700 | ≥1700 | |
Permanent Linear Change On Reheating (%)1500°CX2h | ±0.3 | ±0.3 | ±0.3 | |
20-1300°C Thermal Expansion % (x 10-6) | 0-7.8 | 0-8.0 | 0-8.6 | |
Thermal Conductivity(Average 800°C) W/(M.K) | ≤0.8 | ≤1.3 | ≤1.5 | |
Max Service Temperature °C | 1680 | 1700 | 1800 |
Primarily used for lining of high temperature furnace and thermal insulate of ultra-high temperature furnace of industrial as refractory material, industrial ceramics, electronics, petrochemical and metallurgical industries.