Firebrick, Fireclay, Refractory Castable
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Item: Firebrick, Fireclay, Refractory Castable
Firebrick ( fire clay brick ,refractory brick,ceramic brick ) is made from high purity refractory clays and other raw materials, with light weight and mini-porosity well distributed. Each brick is machined to precise tolerances on all six faces.
Characteristic:
- Low thermal conductivity
- Low heat storage
- High spalling resistance
- High hot compressive strength
- Low iron oxide and alkali flux content
- Accurate dimensions.
Application:
- Hot face refractory lining for furnaces, kilns, flues, refining vessels and heaters, regenerators, gas producers and similar high temperature industrial equipment.
- Back up insulation for furnaces, kilns and similar high temperature industrial equipment.
Specification:
- Classification Temperature: 1260C, 1425C, 1538C, 1650C, 1790C.
Fire clay brick SK-32
Item Standard
AI2O3(%) 30
Fe2O3 (%) 3
Refractoriness (SK) 32
Refractoriness under load, 0.2MPa, Ta, ((°C) 1300
Porosity (%) 22-26
Bulk density (g/cm³) 2.05
Cold crushing strength (MPa) 25
Thermal expansion at 1000°C (%) 0.6
Fire clay brick SK-34
Item Standard
AI2O3(%) 38
Fe2O3 (%) 2.5
Refractoriness (SK) 34
Refractoriness under load, 0.2MPa, Ta, ((°C) 1350
Porosity (% 19-23
Bulk density (g/cm³) 2.10-2.15
Cold crushing strength (MPa) 25
Thermal expansion at 1000°C (%) 0.6
Fire clay brick SK-36
Item Standard
AI2O3(%) 50
Fe2O3 (%) 2
Refractoriness (SK) 36
Refractoriness under load, 0.2MPa, Ta, ((°C) 1450
Porosity (% 20-24
Bulk density (g/cm³) 2.30-2.40
Cold crushing strength (MPa) 45
Thermal expansion at 1000°C (%) 0.3
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