Clay Insulation Brick

  • Clay Insulation Brick

Product Description And Parameters

Main Composition:SiO2 + Al2O3

Application:Insulation layer for various kinds of industrial furnaces

Raw Material:Chamotte

Standard Size:230*114*65 mm

Long time working temperature:1000℃-1200℃

Color:Yellow

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.

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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