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Corundum mullite high strength anti-wearing castable

Corundum mullite high strength anti-wearing castable

1100℃ Cold Crushing Strength Mpa ≥ : 100
Linear Dimensional Change % ≤：-0.3
Maximum Service Temperature ℃：1550
0.2MPa Refractoriness Under Load ℃ :≥1450
Bulk density g/cm3：≥2.7
Thermal Shock Resistance(900℃, water-cooling) ≥:25

  Description

It adopts corundum and mullite as main raw materials, ultra micro powders, composite binders and additives is used. Corundum mullite high strength anti-wearing castable has high strength, good abrasion resistance, excellent thermal shock resistance and other properties.

  Technical Data:

Item RSNMJ-G1 RSNMJ-G2 RSNMJ-G3
Al2O3 % 70 75 85
Refractoriness ℃ 1790 1790 1790
Bulk density g/cm3 2.70 2.85 2.90
Crushing strength MPa(110℃) 75 85 95
Modulus of rupture MPa(110℃,24h) 10 12 14
Thermal shock resistance (900℃,water cooling) 25 25 25

  Application:

Corundum mullite high strength anti-wearing castable is mainly used in large size CFB boier and other high temperature furnace working linings. Corundum mullite high strength anti-wearing castable has high medium temperature strength, good thermal shock resistance and washing out resistance.

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