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.
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Specification
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| 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 | —— | —— | |
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Packing
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| Dimension (MM) | Packing | ||
| Length | Width | Thickness | Pallet |
| Pcs/Pallet | |||
| 230 | 114 | 65 | 640 |
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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 |