Alkali Resistant Brick

Type:H, RK-A, RK-0
Supply Ability:150T/D
Application:cement, electric power, metallurgy, chemical industry and other industry


Good alkali resistance and penetration resistance, good thermal shock stability.


Applying to the Kiln preheating system, decomposition furnace, tertiary air duct and other parts.

Physical properties

a.Outstanding alkali resistance

b.Long service time

c.Good chemical attack assistance

Raw materials

High purity fire-clay

Name High-strength alkali-resistant brick Vault alkali-resistant brick Common alkali-resistant brick
Series H RK-A RK-0
Chemical composition(%) Al2O3 40~45 40~45 35~40
Volume density(Kg/m3) ≥2200 ≥2150 ≥2100
Apparent porosity(%) ≤20 ≤25 ≤26
Cold compressive strength(MPa) ≥60 ≥45 ≥40
Load softening temperature(℃)T0.6 >1300 ≥1350 ≥1250
Thermal shock stability(times)
1100℃ water-cooling
≥15 ≥8 ≥5

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