NK.IS.823

 

 

Type of Product: Insulating Fire Brick (Grade : 23)

 

 

Physical Properties:

Max Service Temperature (˚C)

1260

Bulk Density (Kg/m3)

800 – 900

Cold Crushing Strength (Kg/Cm2)

≥ 17

Modulus of Rupture (Kg/Cm2)

≥ 8

Linear shrinkage after reheating at 1180°C for 24 hours (%)

< 2

 

 



Thermal Conductivity (Kcal/m.h.˚C):

@ 400 ˚C

0.29 – 0.31

@ 600 ˚C

0.32 – 0.34

 

 

Chemical Analysis (%):

Al2O3

SiO2

Fe2O3

33 – 36

56 – 59

2.5 – 3

 

 

 

–  The above data are typical of the properties of commercial standard brick.

–  The data are subject to reasonable variations and therefore should not be used for specification purposes.

–  ASTM Test Methods, where applicable, used for determination of data.