Zhengzhou Rongsheng Refractory Co., Ltd.
Zhengzhou Rongsheng Refractory Co., Ltd. Refractory manufacturing company.
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High Density Dry Pressed Refractory Fire Bricks for Cement Kiln , Alkali Resistant
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: