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Low Porosity Clay Bricks

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.
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  • 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 AnalysisItemUnit

    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

      

    ItemUnitDN-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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