Product detail
Clay Insulation Brick
Main Composition:SiO2 + Al2O3
Application:Insulation layer for various kinds of industrial furnaces
Raw Material:Chamotte
Color:Yellow
Standard Size:230*114*65 mm
Long time working temperature:1000℃-1200℃
Package:Export wooden pallets
Product Introduction
Fireclay insulation brick is made of local top grade fireclay materials with a content of 35%~42% Al2O3 according to the lasted national standard. The working temperature of them is from 1000-1200 ℃ and bulk density is 0.5-1.0 g/cm3.
Features
1.Low thermal conductivity.
2.Excellent insulating property.
3.Steady quality.
4.Low impurities.
Application
Clay insulation bricks have a wide range of uses, mainly used in thermal boilers, glass furnaces, cement furnaces, fertilizer gas furnaces, blast furnaces, hot blast furnaces, coking furnaces, electric furnaces, etc.
Product Parameters
| Item | Clay Insulation Brick | |||
| NG-0.5 | NG-0.6 | NG-0.8 | NG-1.0 | |
| Al2O3% >= | 35 | 40 | 42 | 42 |
| Fe2O3% <= | 2.5 | 2.5 | 2.0 | 2.0 |
| Bulk Density (g/cm3) <= | 0.5 | 0.6 | 0.8 | 1.0 |
| Cold Crushing Strength(Mpa) >= | 1.0 | 1.5 | 2.0 | 2.5 |
| Linear Change On Reheating2% (℃*h) <= | 1000℃*12h | 1150℃*12h | 1200℃*12h | 1200℃*12h |
| Thermal Conductivity(w/m.k,{350±25℃}) <= | 0.18 | 0.25 | 0.35 | 0.5 |
| Maximum Use Temperature (℃) >= | 1000 | 1100 | 1150 | 1200 |
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