DALMIA OCL 80 % Corundum based Alumina Brick LF 80 25

TECHNICAL DATA                     

PRODUCT:  LF 8025

 

Type

:

80 % Corundum based Alumina Brick

Method of Manufacture

:

Machine Pressed

 

Nature of Bond

:

Ceramic

 
    

CHEMICAL COMPOSITION

 

SPECIFICATION

TYPICAL VALUES

Al2O3

%

Min. 78.0

80.5

Fe2O3

%

2.50

2.30

    

PHYSICAL PROPERTIES

   

Apparent Porosity

%

Max. 18.0

17.5

Bulk Density

g/cc

Avg. 2.75

2.80

Cold Crushing Strength

kg/cm2

Min. 600

700

    

THERMAL PROPERTIES

   

P.C.E (Refractoriness)

orton / °C

Min. 37 / (1820)

38 / (1835)

R.U.L. ta

°C

Min. 1500

1520

P.L.C at 1500 °C /2 hrs.

%

Max. + 1.5

+0.90

Thermal Expansion at 1000OC

%

 

0.60

Thermal Conductivity

W/mK

 

2.25

At 1000OC Hot Face Temperature

   

Thermal Shock Resistance

by IS small prism Air Quenching

Cycles

+ 100

+ 100