- Nitride Bonded Silicon Carbide Brick
- Magnesia Brick
- High Alumina Brick
- Carbon Block
- Kiln Furniture
- Insulation Brick
- Add：Unit 1-7-2,122 Tongtai Street,Shahekou District. 116021 Dalian, P.R.China
- Tel： (86) 411 8432 4343/ 8432 4848
- Fax：(86) 411 8432 8822
- E-mail：kxl1981@163.com
13504243735@163.com - Contacts：Ms.Maria / Mr.Lemon
High Alumina Brick
- Product description：High Alumina Brick are used normally in industry furnaces such as Blast furnace, hot-blast furnace and EAF etc.
|
Brand |
MLHA-80a |
MLHA-75a |
MLHA-65a |
||
|
Application |
Steel-smelting Electric Furnace Roof |
||||
|
Al2O3 |
(%) |
≥80 |
≥75 |
≥65 |
|
|
Refractoriness |
(℃) |
≥1790 |
≥1790 |
≥1790 |
|
|
Refractoriness under Load 0.2 Mpa |
(℃) |
≥1550 |
≥1530 |
≥1520 |
|
|
Reheat Linear Change |
1550℃ x 2h |
(%) |
0.0 /- 0.3 |
0.0 /- 0.4 |
--- |
|
1500℃ x 2h |
(%) |
--- |
--- |
0.0/- 0.4 |
|
|
Apparent Porosity |
Furnace-top |
(%) |
≤19 |
≤19 |
≤22 |
|
Arch-type |
(%) |
≤21 |
≤21 |
≤23 |
|
|
Cold Crushing Strength |
(Mpa) |
≥78.5 |
≥68.6 |
≥58.8 |
|
|
Brand |
MLHA-65c |
MLHA-55 |
MLHA-48 |
||
|
Application |
Hot Stove Oven |
||||
|
Al2O3 |
(%) |
≥65 |
≥55 |
≥48 |
|
|
Refractoriness |
(℃) |
≥1790 |
≥1770 |
≥1750 |
|
|
0.2 Mpa Load Softening Point |
(℃) |
≥1500 |
≥1470 |
≥1420 |
|
|
Reheat Linear Change |
1550℃ 2h |
(%) |
+0.1/ - 0.4 |
+0.1/ - 0.4 |
--- |
|
1450℃ 2h |
(%) |
--- |
--- |
+0.1/ - 0.4 |
|
|
Apparent Porosity |
(%) |
≤24 |
≤24 |
≤24 |
|
|
Cold Crushing Strength |
(Mpa) |
≥49.0 |
≥44.1 |
≥39.2 |
|