Lightweight fireclay insulation brick low thermal conductivity fire clay insulation brick for industry boiler

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Product Overview

Description



Product Description


 


Lightweight fireclay insulation brick low thermal conductivity fire clay insulation brick for industry boiler


 


Introduction:


It is produced by the foam coagulation technique.


 


Features:


1. It has advantages with small bulk density, high cold crushing strength, high refractoriness under load, small dimension tolerance, and good thermal shock resistance. 


2. It has the lowest and most stable thermal conductivity in various insulating refractory bricks


3. It can reduce the total weight of the furnace body and the thickness of the furnace wall effectively, improve heat efficiency, lower energy consumption, improve work conditions and production efficiency, and considerable economic benefit can be obtained. 


 


Application:


It is not only widely used in insulating layers of various thermal processing equipment, such as hot blast furnace, coke oven, glass kiln, etc, but also applies to linings in parts of the furnace without strong high-temperature molten material erosive. 


 


Chemical and Physical Index:



































































Item



Lightweight brick



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



≤0.9



≤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/mk)



≤0.45



≤0.45



≤0.35



≤0.35



≤0.3



≤0.25



≤0.2



Permanent Linear Change Rate (max 2%) (℃)



1400



1400



1400



1350



1350



1250



1250






Packaging


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0.0114 s.