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Alumina hollow castable material

SL-1.3 SL-1.6
AL2O3 % ≥95 ≥95
Fe2O3 % ≤0.8 ≤0.8
bulk density g/cm3 ≤1.3 ≤1.6
cold compressive strength Mps ≥5 ≥8
highest service tempreture ℃ >1600 >1600

Zinc bath preproduced composed brick

AL2O3 % Bulk densty
g/cm3 Mpa cold
Compressive
strength refractoriness
℃ chang of Curve
after fire
1400℃×24h %
mullite ≥55 ≥2.4 110℃×24h
≥30 ≥1700 ±0.5

Carborndun,zirconium,silicon-aluminum seres mortar
AL2O3% ZrO2% Cr2O3% grain size
mm refractoriness remarks
Silimanite ≥60 0～0.5 ≥1790 Brickwork sillimanite
Mullite mortar ≥68 0～0.5 ≥1790 Brickwork mullite brick
Corundum mortar ≥90 0～0.5 ≥1790 Brickwork mullite corundum brick
Cement of zirconium mortar ≥65 0～0.5 ≥1790
Cement of aluminumchromium-1 ≥75 ≥3 0～0.5 ≥1790 Brickwork chromium corundum
Cement of aluminumchromium-2 ≥90 ≥5 0～0.5 ≥1790 Brickwork chromium corundum
Cement of carborundum Sic%
≥65 0～0.5 ≥1790 Brickwork carborundum and compound



Cement of chromium,zirconium,and ramming material,castable material

AL2O3% ZrO2% Cr2O3% Bulk
density
g/cm3 refractoriness
℃ Mpa cold compressive strength Moisture water
Cement of chromium corundum ramming material ≥85 ≥8 ≥3.0 ≥1790 110℃×24h
≥35 3～5
Cement of chromium corundum castable material ≥85 ≥8 ≥3.0 ≥1790 110℃×24h
≥45 5～7
Cement of zirconium corundum ramming material ≥45 ≥30 ≥3.0 ≥1790 110℃×24h
≥35 3～5
Cement of zirconium corundum castable material ≥45 ≥30 ≥3.0 ≥1790 110℃×24h
≥45 3～7


Silicon-aluminum,zirconium-aluminum products series

AL2O3% Fe2O3% Apparent ponosity
% Bukl density
g/cm3 MPa Cold compressive strength initial softing point under load
Combined antistripping high alumina brick phosphate ≥75 ≤1.2 ≤22 ≥2.55 ≥60 ≥1550
Silicon line stone brick ≥65 ≤0.5 ≤18 ≥2.45 ≥60 ≥1600
Mullite brick ≥70 ≤0.5 ≤18 ≥2.55 ≥70 ≥1650
Corundum-mullite brick ≥80 ≤0.5 ≤18 ≥2.65 ≥80 ≥1650
Agglutination corundum brick 90 ≥90 ≤0.5 ≤18 ≥3.0 ≥90 ≥1700
Agglutination corundum brick 95 ≥95 ≤0.5 ≤18 ≥3.0 ≥90 ≥1700
Zirconium corundum brick ≥60 ZrO2
≥20 ≤22 ≥3.0 ≥75 ≥1600
Chromium corundum brick ≥90 Cr2O3
≥4 ≤20 ≥3.0 ≥75 ≥1600
purpose Widely used in high temperature kiln-furnace as metallurgy, chemical industry,electron,glass and so on




Corborundum and compound product

SiC % AL2O3% Apparent rate
% Bulk density
g/cm3 Initial softening point under load Cold compressive strength
MPa
Carbonrundum product ≥75 - ≤21 ≥2.40 ≥1520 ≥70
Mullite combined with silicon product ≥60 ≥8 ≤20 ≥2.40 ≥1520 ≥80
Corundum silicon carbide product ≥60 ≥30 ≤20 ≥2.50 ≥1530 ≥90
High aluminum silicon carbide product ≥30 ≥40 ≤22 ≥2.45 ≥1500 ≥50
Carbon sillimanite brick product ≥30 ≥45 ≤22 ≥2.50 ≥1500 ≥60
Cellular corundum carbonrundum slideway ≥10 ≥80 ≤22 ≥2.90 ≥1600 ≥85
Silicon nitride combined with carborundum brick ≥72 Si3N4≥15 ≤17 ≥2.60 ≥1550 ≥100
purpose Used for color metallurgy,porcelain and ceramics industry,cement rotary kiln mouth,and high temperature of glass annealing ovean and all kinds of furnace