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Light Weight Heavy Duty Silica Brick Kiln Refractory Bricks SiO2 91%

Categories Silica Refractory Bricks
Place of Origin: Zhengzhou ,China
Brand Name: Rongsheng
Certification: ISO9001
Model Number: QG-0.8/1.0/1.2
MOQ: 10 TONS
Price: 200-1000USD
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
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    Light Weight Heavy Duty Silica Brick Kiln Refractory Bricks SiO2 91%

    Heavy Duty Silica Insulation Brick For Glass Melting Furnace And Ceramic Firing Kiln

    Features


    1. High refractoriness
    2. Low thermal shock resistance
    3. No pollution to glass liquid
    4. Low bulk density


    Applications


    Light weight silica brick is mainly used to preserve heat in glass industry, iron&steel industry and ceramic furnace.


    Physical properties and chemical composition



    Item

    QG-0.8

    QG-1.0

    QG-1.1

    QG-1.15

    QG-1.2

    SiO2 %

    ≥88

    ≥91

    ≥91

    ≥91

    ≥91

    Bulk Density g/cm3

    ≤0.85

    ≤1.00

    ≤1.10

    ≤1.15

    ≤1.20

    Cold Crushing Strength Mpa

    ≥1.0

    ≥2.0

    ≥3.0

    ≥5.0

    ≥5.0

    0.2Mpa Refractoriness Under Load T0.6 °C

    ≥1400

    ≥1420

    ≥1460

    ≥1500

    ≥1520

    Permanent Linear Change On Reheating(%)1450°CX2h

    0~+0.5

    0~+0.5

    0~+0.5

    0~+0.5

    0~+0.5

    20-1000°C Thermal Expansich10-6/°C

    1.3

    1.3

    1.3

    1.3

    1.3

    Thermal Conductivity (W/MK) 350°C

    0.55

    0.55

    0.60

    0.65

    0.70




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