Products Description
High strength alkali resistance bricks is made by adding additives to improve the compression strength on the basis of the ordinary. The product has high strength, good volume stability, alkali erosion ability, etc. It is applicable to the cement kiln preheater and decomposing furnace, air duct, etc.
Products Specifications
|
Items |
Ordinary Type |
High-strength type |
Insulation typr |
Vault type |
|
Al2O3 % |
25-30 |
25-30 |
25-30 |
30-35 |
|
Fe2O3 % |
2 |
2 |
2 |
2 |
|
SiO2 % |
65-70 |
65-70 |
60-70 |
60-65 |
|
Refractoriness (℃) |
1650 |
1650 |
1650 |
1710 |
|
Bulk Density g/cm3 ≥ |
2.15 |
2.25 |
1.65 |
2.2 |
|
Apparent Porosity % ≤ |
21 |
20 |
35 |
21 |
|
Cold Crushing Strength MPa≥ |
35 |
60 |
15 |
35 |
|
Refractoriness Under Load ℃ ≥ |
1350 |
1300 |
1250 |
1400 |
|
thermal conductivity W/m. (350℃±10℃)TC |
1.28 |
1.28 |
0.7 |
1.28 |
|
Application |
Large and medium dry-process kiln,decomposing furnace, etc. |
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Applications:
1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln
