CUMILAG 32 (Insulation Refractories)

CUMILAG 32 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 32 properties

 

CUMILAG32

PROPERTIES

UNIT

LimitValue

TypicalValue

MaximumHotFaceTemperature

oC

1750

1750

BulkDensity

gm/cc

1.35max.

1.28

ColdCrushingStrength

Kg/cm2

35min.

50

ReheatChange(For 24hrs.)

%

-0.5max.at1650o C

-0.3at1650o C

ThermalConductivity

 

 

W/moK

 

 

At 400oCHotFaceTemp.

0.70max.

0.59

At 600oCHotFaceTemp.

0.70max.

0.59

At 800oCHotFaceTemp.

0.55max.

0.47

At 1000oCHotFaceTemp.

0.65max.

0.55

At 1200oCHotFaceTemp.

0.70max.

0.58

ChemicalAnalysis

 

 

%

 

 

Al2O3  

72.0min.

74.16

SiO2

24.0max.

23.21

Fe2O3   

0.5max.

0.36

RecommendedLayingMortars

 

CUMIBOND

LM36