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AluminumSilicateRammingMass

Ramming Mass/

Aluminum Silicate Ramming Mass

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Aluminum silicate ramming mass is made of pure raw materials with low iron and low impurity content through reasonable grading and high-efficiency admixture. It has high fire resistance, good abrasion resistance, strong thermal shock resistance, strong corrosion resistance, and other excellent characteristics. It can be divided into different materials according to the raw materials used.

Technical Parameter of aluminum silicate ramming material

ItemSilicon carbideZirconium Chrome Corundum
NMK4NMK5NMK6NMK7
Al2O3 %///≥80
SiC %≥40≥60≥70/
Cr2O3 %///≥3
ZrO2 %///≥2
Bulk Density g/cm3
110℃×24h
≥2.4≥2.5≥2.6≥2.8
Permanent Linear Change %
1000℃×3h
-0.4~0-0.5~0-0.6~0-0.6~0
Cold Crush Strength MPa
1000℃×3h
≥60≥70≥80≥90
Wear resistance at room temperature cm3
1000℃×3h
≤7≤6≤5≤5
Thermal shock stability cycle 1000℃ water cooling≥30≥35≥40≥30
Plasticity Index %15~55
Plasticity W/(m·K) 10003~55~76~82~3
Maximum service temperature ℃1400150016001600

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