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refractories

aGRM Fused Cast mullite

Fused cast mullite series is made of high grade mullite grog. It is cast and moulded by electrode arc furnace with high temperature.

Fused Cast Mullite
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AGRM Fused Cast mullite Physical and Chemical Indicators

Chemical Indicators
ItemsIndexRemark
Al2O3%73.5 
ZrO25 
SiO218.5 
Na2O1 
Fe2O3+TiO2+CaO1.5 
Physical Indicators
ItemsUnitIndexRemark
True Specific Gravityg/cm33.54 
Cold Crushing StrengthMPa350 
Thermal Expansion at 1150℃%0.8 
Thermal Conductivity at 500-1500℃W/m.K4.6 
Porosity%8 
Bulk Density PTg/cm33 
Bulk Density WSg/cm33.4 
Application

Fused cast mullite series is supposed to be mainly used in positions required good wear-resistance and high temperature resistance, such as sliding rail blocks of pusher-type reheating furnace and steel tapping spout of step-type heating furnace and garbage incinerator lining.

Characteristics

Fused cast mullite series has high refractoriness to more than 1790℃ and good abilities of Refractoriness under load, cold crushing strength and thermal shock resistance.

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