Gold Member Since 2014
Audited Supplier
Shanghai Gongtao Ceramics Co., Ltd.

Engineering Ceramic Part, Ceramic Parts, Ceramic Components manufacturer / supplier in China, offering Engineering Ceramic part, Ceramic Spring Tension, Titanium Oxide Ceramic Eyelet and so on.

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Engineering Ceramic part

FOB Price: US $0.2 / Piece
Min. Order: 100 Pieces
Min. Order FOB Price
100 Pieces US $0.2/ Piece
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Port: Shanghai, China
Production Capacity: 50000000 PCS Per Year
Payment Terms: T/T, Western Union, Money Gram

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Basic Info
  • Model NO.: GT-258
  • Size: Small
  • Material: Alumina
  • Appreance: for Wire
  • Trademark: shangtao
  • Specification: Rohs
  • HS Code: 8547100000
  • Logo Printing: Without Logo Printing
  • Customized: Customized
  • Color: Pink or White
  • Property: Thermal Expansion Coefficient, Excellent Electrica
  • Transport Package: Plywood Case or Carton
  • Origin: Shanghai, China
Product Description
Engineering Ceramic part

Extreme high temperature stability under reducing, inert and high vacuum condition under high temperature up to 1800C.
Extreme wear and abrasion resistance.
Chemical corrosion resistance under high temperature.
High dielectric properties.
Gas tight for many applications to provide protective atmospheres or high vacuum at high temperature to eliminate contamination or impurity.
Low material cost and custom size available.
Material85 Al2o390 Al2o395 Al2o399 Al2o3
Fe2o3≤ 1.0≤ 0.5≤ 0.5≤ 0.3
Desnsity: g / cm33.
Vickers Hardness≥ 8.6≥ 8.899
Water Absorption:%≤ 0.2≤ 0.1≤ 0.085≤ 0.01
Refractoriness:°C1580 °C1600 °C1650 °C1800°C
Flexural Strength:Mpa180200240280
Wear Rate( at room temperature, erosion, 
100 grinding)%
≤ 3≤ 2.5≤ 1≤ 0.5
ItemTesting conditionUnitsteatite
Bulk density g/cm3≥2.6
Flexural Strength N/m2×1031.37
Coefficient of linear expansion20~800°C×10-6/°C≤8
Permittivity1MHz ≤7.5
10GHz /
 Insertion loss1MHz×10-6≤8.0
Bulk density resistance100°CΩ·Cm>1012
Puncture strength KV/mm20
Thermal conductivity20°CW/m·k2.9
1.Great mechanical strengthElectric appliance industry                                      Automotive industry
2.High softening temperature
3.Good resistance to thermal impact
4.Small thermal expansion coefficient Mechanical industry               Engineer industry 
5.Good chill and abrupt heat properties
6. Resistance to acid and alkali corrosion
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