Insulating fire bricks

Release time: 2019-03-18 11:08:35 Page viewed: 319

Insulating fire bricks (64/54 x114 x230)

Light wieght Tapered insulating bricks having low heat

conductivity of efficient insulation plus ability

to withstand direct exposure to furnace heat,

CHEMICAL ANALYSIS:

Al2O3: 42-44%

SiO2 51-53%

Fe2O3: 0.8-1.0%

CaO : 1.4-1.6%

PHYSICAL PROPERTIES:

Bulk density: 800kg/cu-m

Working Temperature: 1370 deg centigrade

Cold crushing strength: 2.2-2.4 N/sq.mm

THERMAL CONDUCTIVITY:

400 deg centigrade W/mk 0.26

600 deg centigrade W/mk 0.30

800 deg centigrade W/mk 0.33

1000 deg centigrade W/mk 0.36

1200 deg centigrade W/mk 0.39

Reversible thermal expansion 1000 deg centigrade=0.6%

Quantity: 5000 Pieces