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CCEWOOL ® DEHA Series High Alumina Refractory Brick

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CCEWOOL® Bio Soluble Fiber Yarn.pdf

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Product

DEHA Series High alumina refractory brick

DEHA Series High alumina refractory brick

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Product Description:

High alumina refractory brick is a kind of neutral refractory material with aluminum content more than 48%. High alumina refractory brick is made through calcination and molding from bauxite and other raw materials with high content of alumina. According to different content of alumina in high alumina brick, its fire resistance, refractoriness under load, compressive strength and other indicators are varied.

We can do customized size for regular high aluminum brick, special shaped high aluminum brick, blast furnace brick and some high alumina refractory bricks that are specially used in furnace mouth and so on. In addition, high alumina refractory bricks are also widely used as open hearth regenerative checker bricks, gating plugs for gating systems, and outlet bricks etc.

  • Features:

    High refractoriness, high refractoriness under load, good thermal shock resistance, acid resistance, alkali resistance, peeling off resistance, erosion resistance and low high temperature creep rate and good strength under high temperature. 

    Application: 

    High alumina bricks characterized with high thermal stability, high refractoriness above 1770 degrees, good slag resistance, mainly used for electric furnace top, shaft furnace, hot blast furnace, ladle, molten iron, cement kiln, glass kiln and other thermal furnace lining. Widely used in iron making, steel making, chemical industry, cement and other industries.

  • CCEWOOL DEHA Series High alumina refractory brick

    Item

    DEHA48

    DEHA55

    DEHA65

    DEHA75

    Bulk Density(g/cm3)

    2.25

    2.35

    2.525

    2.65

    Refractoriness under Load (℃) ≥

    1420

    1470

    1500

    1520

    Linear Change (%)

    1450 

    1500 

    1500 

    1500 

    (2h)

    -0.5

    -0.5

    -0.5

    -0.5

    Porosity (%) ≤

    22
    222323

    Cold Crushing Strength, MPa 

    39.2
    44.1
    49
    53.9

    Thermal Shock Resistance

    ≥20

    ≥20

    ≥20

    ≥20

    Water Cold( Cycle)

    Al2O3  (%)  ≥

    48

    556575

    Fe2O3

    <2.0

    <1.8

    <1.8

    <1.5

    Common size 

    230x114x65/75mm

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