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Insulating Fire Bricks

Insulating Fire Bricks

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Description

Insulating Fire Bricks

KFB Thermal Insulating Firebrick with light weight, has high mini-porosity arranged in average,keep furnace wall low radiation and depress the charges of fuels. Light weight for KFB means the lowest thermal storage, it's quicker to heat and cool and permit rapid cycle work. They are used for 900℃~1650℃, you can choose the most economical products according to service temperature.

Specification


KFB-23 KFB-26 KFB-28 KFB-30 KFB-32
Temperature(℃) 1300 1400 1500 1550 1600
Color white white white white white
Density (kg/m3 ) 550/650/800 800 900 1000 1100
Reversible Thermal Expansion 1100℃() 0.5 0.7 0.8 0.9 0.9
Tensile Strength(Mpa) 0.8 1.2 1.4 1.6 1.8
Thermal conductive(W/mK) 600℃ 0.16 —— —— —— ——
800℃ 0.18 0.31 0.36 0.40 0.48
1000℃ 0.20 0.33 0.38 0.42 0.52
1200℃ —— 0.35 0.41 0.46 0.60
Al2O3(%) 38 58 62 74 80
Fe2O3(%) 1.2 1.0 0.8 —— ——

Packing

Dimension (MM) Packing
Length Width Thickness Pallet
Pcs/Pallet
230 114 65 640

Characteristics

• Excellent hot strength
• Low thermal conductivity
• Low heat storage
• Excellent handling strength
• Thermal shock resistance
• High heat reflectance
• Excellent corrosion resistance
• Excellent thermal stability
• Excellent fire protection

Applications

• High-temperature kiln and furnace hot face's lining
• Insulating backup
• Infra red element supports
• Glass tank side & end wall & port neck insulation
• Nuclear insulation applications
• Industrial combustion chamber construction

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