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Alumina ceramic sheet

Ceramic tile irregular shape
  • Ceramic tile irregular shape

Ceramic tile irregular shape

Features:
Excellent thermal performance
Excellent Insulation
High strength and hardness, high temperature resistance
Applications:
Electronic circuit
MOS tube, triode
High-power equipment
High frequency strong current power supply

    物理参数Physical Parameters

     

    特性

    Property

    单位

    Unit

    测试方法

    Test Method

    测试值

    Typical Value

    颜色

    Color

    白色

    --

    密度

    Specific gravity

    g/Cm3

    --

    3.7

    吸水率

    Water absorption

    %

    --

    0

    平均晶粒尺寸

    Average grain size

    µm

    --

    3~5

    硬度

    Hardness

    GPa

    负荷4.9N

    ≥15

    抗弯强度

    Flexural strength

    MPa

    --

    ≥274

    线膨胀系数

    Coefficient of linear expansion

    1x10-6mm/℃

    20~500℃

    6.5-7.5

    20~800℃

    6.5-8.0

    导热系数

    Themal Conductivity

    W/m.K

    20

    24

    比热

    Specific heat

    kJ/(kg.K)

    --

    ≥0.8

    绝缘强度

    Beakdown Voltage

    KV/mm

    --

    ≥12

    体积电阻率

    Volume resistivity

    Ohm.cm

    20

    ≥1014

    300

    ≥1011

    500

    ≥109

    介电常数

    Dielectric constant

    1MHz

    1MHz

    9~10

    介质损耗正切值

    The tangent of the dielectric loss

     

    1MHz

    ≤3x10-4

    表面粗糙度

    µm

     

    0.3~0.8

    Please submit your basic information, we will contact you as soon as possible!

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