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

Ceramic Guide, Ceramic Collar Ring, Ceramic Ring with Two Collar manufacturer / supplier in China, offering Glazed Al2O3 Alumina Ceramic Twin Guides, Ceramic Spring Tension, Titanium Oxide Ceramic Eyelet and so on.

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Supplier Homepage Product Ceramic parts and components Ceramic guide pulley Glazed Al2O3 Alumina Ceramic Twin Guides

Glazed Al2O3 Alumina Ceramic Twin Guides

FOB Price: US $0.2 / Piece
Min. Order: 100 Pieces
Min. Order FOB Price
100 Pieces US $0.2/ Piece
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Production Capacity: 50000000 PCS Per Year
Transport Package: Plywood Case or Carton
Payment Terms: L/C, T/T, Money Gram, Western Union

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Basic Info
  • Model NO.: GT-257
  • Appreance: for Wire
  • Trademark: shangtao
  • Origin: Shanghai, China
  • Color: Pink or White
  • Property: Thermal Expansion Coefficient, Excellent Electrica
  • Specification: Rohs
  • HS Code: 8547100000
Product Description
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
Flexural Strength
Coefficient of linear expansion20~800°C×10-6/°C≤8
 Insertion loss1MHz×10-6≤8.0
Bulk density resistance100°CΩ·Cm>1012
Puncture strength
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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