Category
Low porosity clay brick
Classification:
Product Introduction
Product Details
Production method:
Clay clinker is used as the main raw material, and aluminum-silicon materials such as scorch, sillimanite and andalusite are added, and the low porosity clay products are pressed and fired. It has the characteristics of high compressive strength, corrosion resistance, high load softening start temperature and good heat shock stability in medium and low temperature.
In order to adapt to the working environment of the glass tank kiln, the factors leading to the damage of the kiln lining are comprehensively considered: chemical erosion, mechanical erosion, temperature fluctuation, etc., to produce clay bricks with different properties, such: low porosity clay brick (apparent porosity rate is not more than 15%), low porosity clay brick (apparent porosity rate is not more than 10%), low creep, low porosity, low iron three low clay brick (commonly known as three low brick), etc.
Main characteristics: Low porosity, compact overall structure, can effectively reduce the high temperature gas and solution penetration and diffusion, enhance the use of high temperature effect.
Uses: Low porosity clay bricks are widely used in various high temperature industrial kilns, such as glass kilns, cement kilns, metallurgical kilns, etc. In the glass industry, low porosity clay bricks are often used in the lower part of the regenerator and wall parts of the glass furnace.
Physical and chemical indicators:
Physical And Chemical Indexes Of Low Porosity Clay Brick | ||||||
Project | Physical And Chemical Index | |||||
Brand | DN-10 | DN-13 | DN-15 | DN-17 | DN-19 | |
Chemical Composition | Al203(%)≥ | 40 | 42 | 45 | 47 | 45 |
Fe203(%)≥ | 1.3 | 1.5 | 1.8 | 1.8 | 2.0 | |
Bulk Density (g/cm3) ≥ | 2.25 | 2.2 | 2.2 | 2.2 | 2.15 | |
Percent Porosity (%)≤ | 10 | 13 | 15 | 17 | 19 | |
Normal Temperature Compressive Strength (Mpa)≥ | 70 | 65 | 60 | 55 | 50 | |
Load softening Temperature (℃) | 1480 | 1460 | 1450 | 1430 | 1420 | |
Keywords:
Low porosity clay brick
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