CUMILAG 30 (Insulation Refractories)

CUMILAG 30 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 30 properties

 

CUMILAG30

PROPERTIES

UNIT

LimitValue

TypicalValue

Maximum Ho t  Face Temperature

oC

1650

1650

BulkDensity

gm/cc

1.15max.

1.12

ColdCrushingStrength

Kg/cm2

45min.

50

ReheatChange(For 24hrs.)

%

+/-0.5max.at1620o C

-0.3at1620oC

ThermalConductivity

 

 

W/moK

 

 

At 400oCHotFaceTemp.

0.65max.

0.60

At 600oCHotFaceTemp.

0.65max.

0.60

At 800oCHotFaceTemp.

0.60max.

0.55

At 1000oCHotFaceTemp.

0.65max.

0.60

At 1200oCHotFaceTemp.

0.65max.

0.60

ChemicalAnalysis

 

 

%

 

 

Al2O3   

72.0min.

73.60

SiO2

26.0max.

25.45

Fe2O3   

1.0max.

0.54

RecommendedLayingMortars

 

CUMIBOND

LM36