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

Ceramic Feed, Al2O3 Feedthrough Bead, Ceramic Feed Bead manufacturer / supplier in China, offering Ceramic Feedthrough Insulator, High Quality Stainless Steel Pot for Grinding Jar, High Temperature Long Life Alsint 99.7% Alumina Ceramic Tube for Thermocouple Protection and so on.

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Ceramic Feedthrough Insulator

FOB Price: US $0.002 / Piece
Min. Order: 100 Pieces
Min. Order FOB Price
100 Pieces US $0.002/ Piece
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Port: Shanghai, China
Production Capacity: 50000000 PCS Per Year
Payment Terms: L/C, T/T, Western Union, Money Gram

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Basic Info
  • Model NO.: GT-249
  • Feature: Long Time Materials
  • Shape: Block
  • Color: White Pink,Grey
  • Appreance: Top Groove,Bottom Groove,No Groove
  • Trademark: shangtao
  • Specification: Rohs
  • HS Code: 8547100000
  • Refractoriness (℃): 1580< Refractoriness< 1770
  • Type: Refractory Material
  • Material: Steatite
  • Type of Bead: Dome Bead,Flat Bead,Fish Spine
  • Property: Thermal Expansion Coefficient, Excellent Electrica
  • Transport Package: Plywood Case or Carton
  • Origin: Shanghai, China
Product Description
Gongtao can supply and custom made the steatite ceramic products according to customer's drawings, samples and performance requirement.

Property:
1. High resistivity
2. Moderate strength
3. Excellent electrical properties
4. Poor heat conductivity (thermal insulator).
5. Good resistance to thermal shock.
6. Low coefficient of thermal expansion.
7. Good mechanical stability.

Applications:
Heating element holders
Stand off insulators
Interlocking insulating beads
Splitbush insulators
Lamp bases and caps
Regulator parts


These beads are for protecting power lead wires with different size.

Material: White steatite ceramic, yellow steatite, alumina.
ItemTesting conditionUnitSteatite
Bulk density g/cm 3≥2.6
Flexural Strength N/m 2 ×10 31.37
Coefficient of linear expansion20~800°C×10 -6 /°C≤8
Permittivity1MHz ≤7.5
10GHz /
 Insertion loss1MHz×10 -6≤8.0
10GHz×10 -6/
Bulk density resistance100°CΩ@Cm>10 12
Puncture strength KV/mm20
Thermal conductivity20°CW/m@k2.9

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