High strength corundum mullite refractory castable

♦ SupplyAbility: 3000 Ton/Tons per Month High strength corundum mullite refractory castable

♦ Rongsheng Refractory Corundum/mullite castable is made of high quality raw material and high quality binders.

♦ Features:High temperature, Good fluidity, stable performance of heat shock resistance and corrosion resistance.

♦ Applicatuion:Rongsheng Refractory Corundum/mullite Castable is applied for iron and steel, ladle, electric power, chemical and non-ferrous metals industries.

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Physical and Chemical Indicators:

Items		NGM-1	NGM-2	NGM-3
AL2O3		≥70	≥75	≥85
SiO2		≤25	≤17	≤13
Fe2O3		≤1	≤1	≤1
Bulk Density g/cm3		≥2.7	≥2.8	≥2.9
Cold Crushing Strength MPa	110°C×24h	≥100	≥110	≥120
	1100°C×3h	≥100	≥110	≥120
	1400°C×3h	≥115	≥120	≥125
MOR MPa	110°C×24h	≥15	≥15	≥15
	1100°C×3h	≥16	≥17	≥18
	1400°C×3h	≥17	≥18	≥19
0.2MPa Refractoriness Under Load °C		≥1450	≥1480	≥1500
Thermal Shock Resistance, Times, [900°C, water-cooling]		≥25	≥25	≥25
Maximum Service Temperature,°C		1550	1550	1600
Linear Dimensional Change %		≤-0.3	≤-0.2	≤-0.2