Alumina ceramic screw

M2 M3 M4 M5 M6 alumina ceramic screw/ceramic nut

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Alumina ceramic screw

Heat resistance M2 M3 M4 M5 M6 alumina ceramic screw/ceramic nut

Product Description

    Alumina ceramic is a kind of structural ceramics, with insulation resistance, voltage resistance, high strength, good thermal conductivity, dielectric loss, stable electrical performance characteristics. Used in electronic ceramic substrates, ceramic electrical insulation, vacuum devices, devices porcelain, spark plugs and other products.

 Alumina ceramic screw


  1. A variety of specifications available
  2. Satisfy various technical request
  3. Lower medium spoilage
  4. Good insulation performance and high temperature resistance
  5. Stiffness texture
  6. Used in all electric products, electric heating products and wear resistant machinery parts
Alumina Ceramic Performance
ItemUnit95 Al2O396 Al2O399 Al2O3
Physical CharacteristicsHeat resistance150015501800
Bulk dnsityg/cm³3.63.63.9
Water absorption%000
Mechanical CharacteristicsFlexural strengthMpa320340360
Hardness vickersGpa12.213.515.6
Elastic mdulusGpa280320370
Thermal CharacteristicsLinear expansion coeffcient(20-500℃)10^-6/℃7.17.28
Thermal conductivityw/(m.k)162432
Specific heat*10^-3(kg*K)0.780.780.9
Electrical CharacteristicDielectric constant(1MHZ)99.49.9
Dielectric loss angle*10^-41551
Dielectric strength*10^6V/m121515

 We can supply the products according to customer’s drawings, samples and performance requirement.

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