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High Alumina bricks for general uses are made from bauxite of super quality, bonding chamotte and additives.
Main Properties
Item
Index
Code
DL-48
DL-55
DL-65
DL-70
DL75
Al2O3 min, %
48
55
65
70
75
Refractoriness , min
1790
1793
1760
1770
1780
Refractoriness under load (0.2MPa) , min
1360
1380
1420
1430
1440
Linear change after reheating(1550, 2h) %
0 ~ -0.6
0 ~ -0.55
0 ~ -0.3
0 ~ -0.3
0 ~ -0.3
Apparent porosity max, %
21
19
19
19
18
Cold crushing strength Mpa, min
40
45
50
55
60
Features
1.Good performance in high temp refractoriness under load
2.Higher temperate resistant with good refractoriness
3.Good cold crush strength
4.Lower impurity content
5.Good thermal shock resistance performance
6.Excellent resistance in slag abrasion
Our service：
1. Strict QC & Fast delivery.
2. Free samples are available by freight collect.
3. High quality goods, Perfect Pre-sales, and good designing service.
4. Welcome to visit our factory at anytime on site or online .
5. We will update you the production process after placing order by photos or online.
6. We have special after-sales team to solve your problem during using our products.
