High Strength Wear-resistant Castable

High strength wear-resistant castable is made of high-hardness refractory aggregate and powder, high-hardness binder and admixture.

High-strength wear-resistant castables have high mechanical strength and good thermal shock resistance, abrasion resistance and other properties due to their tightly packed particle size composition.

Items High strength wear-resistant castable
Max service temperature(℃) 1650
Bulk density g/cm3  110℃X24h≥ ≥2.75
Cold crushing strength MPa 110℃X24h≥ ≥80
1100℃X3h≥ ≥100
1500℃X3h ≥120
Modulus of ruoture MPa 110℃X24h≥ ≥10
1100℃X3h≥ ≥13
1500℃X3h ≥15
Reheat linear change  % 1100℃X3h≥ ±0.4
1500℃X3h ±0.5
Thermal shock resistance (1100℃,water cooling) cycles ≥30
Wear resistance(1100℃)cc ≤6
Al2O3     % ≥83

The castable is mainly used as linings for various kilns such as boilers, blast furnace, hot blast stove, heating furnaces, and ceramic kilns.

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