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Fire Resistant Dry Pressed High Alumina Insulation Refractory Bricks , High Density

Categories High Alumina Refractory Brick
Place of Origin: Zhengzhou ,China
Brand Name: Rongsheng
Certification: ISO9001
Model Number: LZ55/LZ65/LZ75
MOQ: 25 TONS
Price: 200-800USD
Packaging Details: packed on wooden pallets, with water-proof cover, and tightened with plastic/steel bandages
Delivery Time: 20-30DAYS
Payment Terms: TT; L/C
Supply Ability: 2000tons /month
Al2O3 ,%: 48-80
Refractoriness °C,≥: 1750
Bulk density,g/cm3: 2.3-2.65
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    Fire Resistant Dry Pressed High Alumina Insulation Refractory Bricks , High Density

    Fire Resistant Dry Pressed High Alumina Insulation Refractory Bricks , High Density

    Description:

    Combined High Alumina Refractory Bricks

    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:

    standard form, normal standard, shaped and special shaped bricks.Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the mostly used in the key positions.Molding method: it has down draft kiln and tunnel kiln and the general sintering temperature is 1360-1480 degrees. It is a kind of aluminosilicate refractory product which aluminum oxide (Al2O3) content is higher than 48%.


    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

    Item

    Properties

    LZ-80

    LZ-75

    LZ-65

    LZ-55

    LZ-48

    Al2O3 ,%

    80

    ≥75

    ≥65

    ≥55

    ≥48

    Refractoriness °C

    ≥1790

    ≥1790

    ≥1790

    ≥1770

    ≥1750

    Bulk density,g/cm3

    2.65

    2.5

    2.45

    2.4

    2.3

    Softening temperature under load

    1530

    ≥1520

    ≥1500

    ≥1470

    ≥1420

    Permanent linear change,%

    1500°CX2H

    +0.1
    -0.4

    +0.1
    -0.4

    +0.1
    -0.4

    +0.1
    -0.4


    1450°CX2H





    +0.1
    -0.4

    Apparent porosity,%

    22

    ≤23

    ≤23

    ≤22

    ≤22

    Cold Crushing strength Mpa

    55

    ≥50

    ≥45

    ≥40

    ≥35

    Application

    All industrial furnace



    Competitive Advantage:

    1. Competitive Price. Make the products competitive in your market.
    2. Abundant Experience. Prevent cracks and twist in bricks.
    3. Different Moulds. Save mould fees for you.
    4. Strict Quality Control. Meet clients’ quality requirement.
    5. Large stocks. Guarantee prompt delivery.
    6. Professional Packing. Avoid damage and secure the goods in transportation




    Quality Fire Resistant Dry Pressed High Alumina Insulation Refractory Bricks , High Density for sale
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