Insulation Bricks

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Insulation Bricks

Products Description

Insulating bricks, also known as fire brick, refractory brick are a kind of highly efficient, energy saving, low-carbon, environmental protection advanced products which are manufactured according to ASTM standard. Insulation materials in all types of industrial furnaces in the field of Metallurgy, Aluminum, Petrochemical, Ceramics, Power and Glass. They can be applied as heat insulation or no-melt erosion parts of the working layer. The products have been widely used in the various furnaces and achieved satisfactory results.

Product Properties

Discription Grade 23 Grade 26 Grade 28 Grade 30 Grade 32
           
Classification Temperature ( C ) 1300 1430 1550 1650 1760
Chemical Anaysis ( % )          
Al2O3 45 55 65 72 75
SiO2 50 39 31 25 22
Fe2O3 1 0.8 0.7 0.6 0.4
Density (Kg/m3) 600 800 900 1000 1250
cold crush strength ( Mpa ) 1.2 2.5 2.6 3 3.4
change of reheating line C*24hs 1230 1400 1510 1620 1730
Thermal Conductivity ( W/m-K)          
At 400 C 0.17 0.24 0.26 0.4 0.48
At 500 C 0.19 0.26 0.29 0.41 0.5
At 800 C 0.22 0.3 0.32 0.43 0.51
At 1000 C 0.25 0.32 0.35 0.45 0.55
Note: The test data shown are average results of test under standard procedures and are subjects to variation.

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