Low Porosity Clay Bricks
- Description
-
Low porosity clay brick is made of high quality coke gem clinker, sintered mullite, three stone as the main raw materials by sintering at high pressure and high temperature. It has the characteristics of low apparent porosity, strong permeability resistance, strong erosion resistance, high compressive strength, and good thermal shock stability at low temperature. Mainly used in the glass furnace regenerator in the lower part of the lattice body and wall parts.
General Properties
Chemical Analysis Item Unit DN-17
DN-15
DN-14
DN-12
DN-11
Al2O3 ％ ≥42
≥42
≥45
≥45
≥47
Fe2O3 ≤1.8
≤1.5
≤1.5
≤1.2
≤1.2
Physical Properties
Item Unit DN-17 DN-15
DN-14
DN-12
DN-11
Apparent Porosity % ≤17
≤15
≤14
≤12
≤11
Bulk Density g/cm3 ≥2.26
≥2.30
≥2.34
≥2.37
≥2.40
Cold Crushing Strength MPa ≥50
≥58.8
≥65
≥68
≥80
Refractoriness Under load (0.2MPa,0.6%) ℃ ≥1430
≥1470
≥1470
≥1500
≥1520
Permanent Linear Change 1400℃×2h % -0.2~0.1
-0.2~0.1
-0.2~0.1
-0.2~0.1
1500°C×2h
-0.2~0.1
Keywords：
Low Porosity Clay Bricks
Refractory materials
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