
High Mechanical Strength Fire Clay Bricks , Shaped Insulating
Refractory Brick
Description:
High Strength Alkali-resistant Brick
Feature:
1. bricks are made from high quality bauxite
2. dry pressed
3. burned under tunnel kiln
4. accurate dimension
5. high strength
Product specification:
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.
Applications:
1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln
Specifications:
High aluminum refractory bricks physiochemical index
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. |
Competitive Advantage:
Zhengzhou Rongsheng Refractory Co., Ltd.
Our company can provide not only the domestic and foreign customers excellent quality of high-temperature thermal insulation material, but also the first-rate service including professional furnace lining design, installation supervision, engineering construction etc.
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