Insulating Firebrick

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• ndustrial combustion chamber construction