NK.IS.523LI

 

 

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

 

 

Physical Properties:

Max Service Temperature (˚C)

1260

Bulk Density (Kg/m3)

500 – 590

Cold Crushing Strength (Kg/Cm2)

≥ 9

Modulus of Rupture (Kg/Cm2)

≥ 4

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

< 2

 

Thermal Conductivity (Kcal/m.h.˚C):

@ 400 ˚C

0.17 – 0.19

@ 600 ˚C

0.19 – 0.21

 

 

Chemical Analysis (%):

Al2O3

SiO2

Fe2O3

28 – 32

65 – 68

0.7 – 0.8

 

 

–  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.