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99% Al2o3 White Oxidation Resistance Alumina Semiconductor Rings For Instrumentation

Categories Alumina Ceramic
Place of Origin: China
Brand Name: FFTC
Certification: ROHS、ISO9001
MOQ: 1000pcs
Packaging Details: Several products in a carton, then wooden carte. Or following customers’ requirement.
Delivery Time: Depends on the quantity, always within 30days
Payment Terms: L/C、T/T、Western Union
Supply Ability: 5000pcs/month
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    99% Al2o3 White Oxidation Resistance Alumina Semiconductor Rings For Instrumentation

    99% Al2o3 White Oxidation Resistance Alumina Semiconductor Rings For Instrumentation


    Detailed Product Description


    99% AL2O3 White Aluminum Oxide Semiconductor rings With Surface Finish Ra 0.4/ sim Ra 0.8


    Description:

    1. Material: 99% AL2O3

    2. Method of molding: CIP

    3. Color: Ivory White

    4. Sintering temperature: 1750℃

    5. Surface finish: Ra0.4&simRa0.8&mum

    6. Packing: Pack with carton and ship with wooden case

    7. Produce products according to molds or drawings provided by the client and quote according the data of the

    products

    8. The mould fee of the non-standard products: According the quotation of product


    Applications:

    Alumina ceramics with superior strength, hardness, insulation, thermal conductivity, high temperature, oxidation

    resistance, corrosion resistance, abrasion resistance, high temperature strength and other characteristics, it has

    been widely used in engineering, mechanical seals, electronics, instrumentation, sensing, transport,

    communications, and other occasions or areas. The content of 99.7%, 99%, 95% alumina products contains the

    crucible, sockets, valves, electrodes, spools, wear board, alumina balls, electronic porcelain, textile porcelain

    pieces, and other shaped pieces.


    Specifications:

    95%,99%,99.7% Al2O3 Material Parameters:

    Item

    Test Condition

    Unit Symbol

    95%Alumina

    ceramics

    99%Alumina

    ceramics

    99.7%Alumina

    ceramics

    The main chemical

    ingredient



    Al2O3

    Al2O3

    Al2O3

    Bulk Density


    g/cm3

    3.6

    3.89

    3.96

    Maximum Use

    Temperature



    1450℃

    1600℃

    1650℃

    Water absorption


    %

    0

    0

    0

    ROHS Hardness



    ≥85

    ≥89

    ≥89

    Flexural strength

    20° C

    MPa (psi x 103)

    358 (52)

    550

    550

    Compressive Strength

    20° C

    MPa (psi x 103)

    2068 (300)

    2600(377)

    2600(377)

    Fracture Toughness

    K(I c)

    Mpa m1/2

    4-5

    5.6

    6

    Coefficient of

    thermal expansion

    25-1000° C

    1X 10-6/°C

    7.6

    7.9

    8.2

    Coefficient of

    thermal conductivity

    20° C

    W/m °K

    16

    30.0

    30.4

    Thermal Shock

    Resistance

    Tc

    °C

    250

    200

    200

    Dielectricity constant

    1MHz.25℃


    9

    9.7

    9.7

    Dielectric strength


    ac-kV/mm (ac V/mil)

    8.3 (210)

    8.7 (220)

    8.7 (220)

    Volume Resistivity

    100℃

    ohm-cm

    > 1013

    > 1014

    > 1014



    Quality 99% Al2o3 White Oxidation Resistance Alumina Semiconductor Rings For Instrumentation for sale
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