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High Temperature Resistant Hollow Alumina Refractory Bricks

    Buy cheap High Temperature Resistant Hollow Alumina Refractory Bricks from wholesalers
     
    Buy cheap High Temperature Resistant Hollow Alumina Refractory Bricks from wholesalers
    • Buy cheap High Temperature Resistant Hollow Alumina Refractory Bricks from wholesalers
    • Buy cheap High Temperature Resistant Hollow Alumina Refractory Bricks from wholesalers
    • Buy cheap High Temperature Resistant Hollow Alumina Refractory Bricks from wholesalers

    High Temperature Resistant Hollow Alumina Refractory Bricks

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    Brand Name : Rongsheng
    Model Number : Refractory Brick
    Certification : ISO9001
    Price : $2,000.00 - $5,000.00/ Ton
    Payment Terms : L/C, T/T, Western Union
    Supply Ability : 5000 Ton/Tons per Month
    Delivery Time : 10--20 working days
    • Product Details
    • Company Profile

    High Temperature Resistant Hollow Alumina Refractory Bricks

    High Temperature Fire Resistant Alumina Hollow Refractory Brick


    Alumina Bubble Brick Description

    The alumina bubble brick used the alumina hollow ball as the main raw material, high-performance powder as additives, and organic material from the temporary binding agent .After mixing, drying, forming, and firing at high temperature shuttle kiln made.

    Alumina Bubble Brick Specifications

    1. High purity;

    2. High mechanical strength;

    3. Low thermal conductivity;

    4. Good stability

    5. Mainly apply to the insulation layer of coal-water slurry gasifier

    6. Excellent thermal insulation

    7. Long service life

    8. High compressive strength

    9. Competitive price

    Alumina Bubble Brick Application

    Alumina bubble brick is widely used in metallurgy, refractories, light industry, chemical industry, ceramic, glass, electronic industries. It can be used in cracking furnace, Hot Blast Stove, Shuttle kiln, heating furnace, tunnel kiln, push board kiln, pot furnace, and kinds of electric furnace and electrical kiln lining and so on.

    Alumina Bubble Brick Physical and chemical index

    ItemRS-85RS-90RS-99
    Chemical compositionAl2O3≥85≥90≥99
    SiO2≤13≤8≤0.2
    Fe2O3≤0.5≤0.5≤0.5
    Apparent Porosity%58-6258-6258-62
    Bulk Density g/cm31.4-1.71.4-1.71.4-1.7
    Cold Crushing Strength Mpa≥12≥10≥9
    0.1Mpa Refractoriness Under Load T0.6 °C≥1650≥1700≥1700

    Permanent Linear Change On Reheating

    (%)1500°CX2h

    ±0.3±0.3±0.3
    20-1300°C Thermal Expansion % (x 10-6)0-7.80-8.00-8.6
    Thermal Conductivity(Average 800°C) W/(M.K)≤0.8≤1.3≤1.5
    Max Service Temperature °C16801700

    1800

    Quality High Temperature Resistant Hollow Alumina Refractory Bricks for sale
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