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Alumina Nozzle

  • Description
Product Detail

    Alumina Nozzle specifications 

    AL2O3

    99%

    MgO

    0.8%

    Na2O

    <0.15%

    SiO2

    <0.018%

    Y2O3

    <0.02%

    Fe2O3

    <0.02%

    TiO2

    <0.006%

    CaO

    <0.005%

    Specifications of Alumina Nozzle

    Items

    Test condition

    Unit


    Average grain size


    µm

    3 - 5

    Density


    g/cm3

    =3.85

    Water absorption


    %

    0

    Hardness (Vickers)

    HV0.5


    =1900

    Flexual strength

    Distance between bending points 80mm

    MPa

    =340

    Compressing strength


    MPa

    3600

    Linear thermal expanding coefficient

    20-500?

    1x106 mm/?

    6.5 – 7.5

    20-800?

    6.5 - 8.0

    Thermal conductivity

    20?

    W/(m.K)

    =24

    Dielectric strength


    KV/mm

    =12

    Volume resistivity

    300?

    O.cm

    =1011

    Dielectric constant

    1MHz


    9.3-10.6

    Dielectric loss

    1MHz


    3x10-4

    Thermal shock resistance

    850?

    times

    =7


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Hangzhou JWG Technology Co.Ltd

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