CUMILAG 29 (Insulation Refractories)

CUMILAG 29 insulation exhibit unique combination of chemical, mechanical stability and insulating properties. They are suitable for applications at service temperatures ranging from 1250 C to 1850 C. They can be directly exposed to flame, and combustion products.

USER INDUSTRIES

  • Ceramic, Metallurgical
  • Carbon black
  • Fertiliser
  • Iron & Steel
  • Power generation

APPLICATIONS

  • High temperature kiln hot face & backup lining
  • Back up lining
  • Primary reformer and hydrogen transfer lines back up,Secondary reformer cold face
  • Blast furnace stoves
  • High temperature air pre-heaters
 

cumilag 29 properties

 

CUMILAG29

PROPERTIES

UNIT

LimitValue

TypicalValue

Maximum Ho t  Face Temperature

oC

1550

1550

BulkDensity

gm/cc

1.10 max.

1.05

ColdCrushingStrength

Kg/cm2

35min.

40

ReheatChange(For 24hrs.)

%

-0.7max.at1450o C

-0.4at1450o C

ThermalConductivity

 

 

W/moK

 

 

At 400oCHotFaceTemp.

0.40max.

0.31

At 600oCHotFaceTemp.

0.40max.

0.33

At 800oCHotFaceTemp.

0.45max.

0.37

At 1000oCHotFaceTemp.

0.55max.

0.42

At 1200oCHotFaceTemp.

0.60max.

0.46

ChemicalAnalysis

 

 

%

 

 

Al2O3   

55.0min.

57.51

SiO2

40.0max.

38.42

Fe2O3   

1.0max.

0.72

RecommendedLayingMortars

 

CUMIBOND

LKFX