Insulation Bricks
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Fireclay Insulation Brick

Main Composition: Al2O3≥35%
Application: Industrial Furnaces and Equipment
Raw Material: Chamotte Clay
Color: Yellow
Bulk Density: ≤1.0cm3
Max Working Temperature: ≥1000℃
Capacity: 1000 MT per month
Package: Export wooden pallets and polyboard
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.
 
Technical Data:

 
Item Fireclay 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 Reheating 2% (℃*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 Service Temperature (℃)  ≥ 1000 1100 1150 1200
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