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Mullite Lightweight Brick

(1.3)
Supplier From China
Mar-05-08

Mullite lightweight brick

It was made of mullite and other fine raw refractory materials with advanced techniques. It is a kind of new popular energy-saving material widely used in metallurgy, ceramics, glass and chemical industry, glass and chemical industry as high temperature liner, such as in pyrolyzers, chemical industry furnace, metallurgy industry furnace, heating furnace, electric resistance furnace, roller kiln, tunnel kiln and shuttle kiln.

Price and Minimum Quantity

Price: Negotiable
MOQ: Not Specified
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Description
Mullite insulation bricks are high alumina refractories mainly made from good quality and pure raw materials.In generally, alumina accounts 65%-75%. Besides mullite,there are also glass phase and christobalite as well as corundum which are good grade fillings. Mullite insulation bricks are widely used for lining in high temperature kilns such as shuttle kiln,roller kiln,glass kiln and petroleum kilns.

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Due to its lightweight and good insulating performance,our mullite insulation bricks has broad use for fire resistance lining in heat side and insulating layers, thus increases energy efficiency greatly. Mullite lightweight bricks are popular in hot blast kiln crown,flame side and bottom parts; glass melting furnace regenerator,ceramic sintering kiln,Petroleum cracking system corners and linings,ethylene pyrolysis furnaces, tubular furnaces, reforming furnaces of synthetic ammonia, gas generators and high-temperature shullte kilns, etc.
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Al2O3 62 62
KO2+NaO20.10.08
Fe2O30.50.5
Bulk Density g/cm3 0.9 1.0
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Refractoriness Under Load 1#1500 1500
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It is produced by foam coagulation technique.

Features:
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Application:
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Item High Alumina Insulating
LG-1.0 LG-0.9 LG-0.8 LG-0.7 LG-0.6 LG-0.5 LG-0.4
Al2O3 % 48
Fe2O3 % 2.0
Bulk Density g/cm3 1.0 0.9 0.8 0.7 0.6 0.5 0.4
Cold Crushing Strength Mpa 3.92 3.43 2.94 2.45 1.96 1.47 0.78
Thermal Conductivity Coefficient w/m.k 0.45 0.45 0.35 0.35 0.3 0.25 0.20
Test Temperature of Permanent Linear Change Rate 2% C 1400 1400 1400 1350 1350 1250 1250
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