High Alumina Bricks
Size: International standards
Working Temperature °C: >1790
Application: Uitable for blast furnace, coke oven, heating furnace, steel stove, colored gold furnace, boiler, cement kiln, glass kiln and chimney and different kinds of kiln thermal equipment.
Description
High alumina bricks series refractory material description:The normal high alumina bricks is divided into LZ-75、LZ-65 、 LZ-55 、LZ-48 kinds of numbers,high alumina refractory bricks has the characteristic of high refractoriness according to the physicochemical index, high load softening temperature, thermal shock stability, acid, alkali, anti-erosion and so on.
High alumina bricks technical data
Brand |
index |
LZ-75 |
LZ-65 |
LZ-55 |
LZ-48 |
AI2O3≥ / % |
75 |
65 |
55 |
48 |
refractoriness / ℃ |
1790 |
1790 |
1770 |
1750 |
softening temp under 0.2MPaload |
1520 |
1500 |
1470 |
1420 |
linear change of-heating /% |
1500oC,2h |
0.1 |
|
-0.4 |
1450oC,2h |
|
0.1 |
-0.4 |
porosity / % |
23 |
22 |
cold crushing strength /Mpa |
53.9 |
49 |
44.1 |
39.2 |
Application Areas:
Uitable for blast furnace, coke oven, heating furnace, steel stove, colored gold furnace, boiler, cement kiln, glass kiln and chimney and different kinds of kiln thermal equipment.