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As is known to all, the main raw material of alumina ceramic sheet is alumina, which has certain unique advantages. It is known that alumina ceramic plate is a kind of material with high thermal condu...
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Product Name: 99% alumina ceramic customized parts factory high quality
Date of listing:2019-01-24
  • 99% alumina ceramic customized parts factory high quality 99% alumina ceramic customized parts factory high quality
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99% alumina ceramic customized parts factory high quality

Alumina Ceramic:

Alumina ceramics are ceramic materials based on alumina (Al2O3) for thick film integrated circuits. Alumina ceramics have good conductivity, mechanical strength and high temperature resistance. It should be noted that ultrasonic cleaning is required. Alumina ceramics is a versatile ceramic. Because of its superior performance, it has been widely used in modern society, satisfying the needs of daily use and special performance.


Alumina ceramic properties: High hardness, high strength, wear resistance, corrosion resistance, high temperacture (1600°), good thermal diffusivity, good insulativity, low cost etc. 


Data Sheet↓

ItemUnitTypical Values
Physical Properties
Color White/Ivory
Densityg/cm33.85
Alumina Content%99%
Gas permeability0
Water Absorption0
Mechanical Properties
MONS' Hardness82
Vickers Hardness (Hv50)Gpa(Kg/mm²)15.7(1600)
Flexural Strength(20°C)Mpa330
Compressive Strength(20°C)Mpa2000
Fracture Toughness(20°C)MPam1/24
Thermal Properties
Thermal Conductivity(20°C-400°C)W(m.K)27.5
Thermal Expansion Coefficient10-6/°C7.6
Thermal Shock Resistance△T°C200
Maximum Use Temperature°C1650
Electronic Properties
Dielectric StrengthKV/mm>10
Dielectric Constanter9.1
Dielectric Loss Angle(1MHz)0.0002-0.0003
Volume ResistivityΩ.cm>10(14)


Application industry: Machinery, electronic, chemical, petroleum etc.
Specific application: Electrical ceramic substrate, plunger, sealing ring etc.


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