Corundum Mullite Castable

  • Corundum Mullite Castable

Product Description And Parameters

Main Composition:Al2O3+SiO2

Application:Cement and lime Kiln, or other industrial kilns.

Main Raw Material:Mullite or corundum

Capacity:3000 MT per month

Color:Grey

Corundum mullite refractory castable has the common advantages of corundum castable and mullite castable.

Features
1.High temperature strength.
2.Thermal shock resistance.
3.Structural spalling resistance.
4.Good thermal shock resistance.
5. Good chemical resistance.

Application
It can be used for the anti-wear lining of large-scale power station boilers, the lining of other high-temperature furnaces,large cement kiln front and rear kiln mouth, coal injection pipe and other parts of industrial kiln lining.

Item CNCM-75 CNCM-85 CNCM-95
Al2O3(%)    ≥ 75 85 95
SiO2(%)   ≥ 20 10 2
CaO(%)   ≥ 2.5 1.5 1.2
Bulk Density(g/cm³) 110℃≥ 2.7 2.8 2.9
815℃≥ 2.75 2.85 3
1100℃≥ 2.8 2.9 3.1
Crushing Strength(Mpa) 110℃ ≥ 60 120 140
815℃ ≥ 70 120 140
1100℃ ≥ 80 120 140
Modulus of Rupture(Mpa) 110℃ ≥ 8 22 22
815℃ ≥ 9 21 18
1100℃≥ 12 20 18
Thermal Shock(900℃ water)  times    ≥ 20 20 30

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