Low Thermal Expansion Al2O3 75% Fireclay Bricks High Alumina Brick
Introduction of refractory products:
Feature:
1. High temperature stability
2. High refractoriness
3. Small coefficient of the thermal expansion
4. Strong chemical corrosion resistance
5. Excellent thermal shock resistance
Technical Index:
| Item |
SK32 SK34 SK36 SK38 High Refractoriness Alumina Refractory Brick |
| DRL-155 |
DRL-150 |
DRL-145 |
DRL-140 |
DRL-135 |
DRL-130 |
DRL-127 |
| Al2O3,% ≥ |
75 |
75 |
65 |
65 |
65 |
60 |
50 |
| Apparent Porosity,% ≤ |
20 |
21 |
21 |
22 |
22 |
22 |
23 |
| Bulk Density, g/cm3 |
2.65-2.85 |
2.65-2.85 |
2.50-2.70 |
2.40-2.60 |
2.35-2.30 |
2.30-2.50 |
2.30-2.50 |
| Compress Strength, Mpa ≥ |
60 |
60 |
60 |
55 |
55 |
55 |
50 |
Creep Rate, %
(0.2Mpa,50h) ≤ |
1550℃
0.8 |
1500℃
0.8 |
1450℃
0.8 |
1400℃
0.8 |
1350℃
0.8 |
1300℃
0.8 |
1270℃
0.8 |
| Permanent Linear Change % |
1550℃,2h |
0.1-0.2 |
0.1-0.2 |
0.1-0.2 |
-- |
-- |
-- |
-- |
| 1450℃,2h |
-- |
-- |
-- |
0.1-0.2 |
0.1-0.4 |
0.1-0.4 |
0.1-0.4
|
Application:
Alumina bricks are widely used in all high temperature industries, hot blast stove, hot furnace, coke ovens, pizza ovens, CDQ, rotary kilns, cement kilns, incinerators, secondary burning chamber, baking furnace etc.
Brick Size or Shapes:
The shape can be customized according to the brick drawings.
| Brick Size (mm) |
| Straight Shape |
Side Arch |
|
230*114*65
250*123*65
171*113*65
230*114*20
230*114*30
230*114*40
230*57*65
520*230*113
650*230*113
780*230*113
452*230*65
230*150*75
345*150*75
|
230*65/55*114
230*65/45*114
230*65/55*171
230*65/45*171
230*114*65/55
230*114*65/45
230*150/120*75
230*150/110*75 |
