Oreworld trade (Tangshan) co., Ltd

High Alumina Brick

Product Details:

Main introduction of the High alumina bricks 
The temperature of refractoriness under load for the high alumina bricks is normally above 1420~1550℃, that is higher than the fireclay brick and it increases along with the AL2O3 content enhances.
For High alumina bricks, the thermal Shock resistance is mainly decided by chemical contents and its mineral microstructure but its thermal shock resistant is worse than the fireclay bricks.  High alumina bricks have very good ability of anti-acidity, anti-metal fluid corrode and anti-oxidation.
High alumina bricks are used normally in industry furnaces such as Blast furnace, hot-blast furnace and EAF etc.

Technical Index for High Alumina Bricks 

Index

Item

LZ-75

LZ-65

LZ-55

LZ-48

Al2O3 ,%≥

75

65

55

48

Refractoriness,

1790

1770

1750

0.2Mpa refractoriness under load,

1520

1500

1470

1420

Reheating linear change, %

1500,2h

+0.1
-0.4

-

1450,2h

-

+0.1
-0.4

Apparent porosity, %≤

23

22

Compress strength, MPa≥

53.9

49.0

44.1

39.2

High alumina brick packing
High Alumina Bricks are packed on wooden pallet and then polyethylene film is placed over them, finally the package is tied up with steel strips.

High alumina bricks order quantities
20 t as minimum quantity is accepted.

High alumina bricks delivery time
30 days after receiving L/C or 30% of advanced T/T. the production capacity reach to 3000 t per month.

TOP