Gold Member Since 2016
Actech Precision Ceramics (HK) Limited

Ceramic Sleeve, Ceramic Bushing, Alumina Sleeve manufacturer / supplier in China, offering Precision Al2O3/Alumina Ceramic Sleeve/Bushing Machining, High Performance Ceramic Alumina Ceramic Pipe/Insulation Tube, Zirconia Zro2 Ceramic Sleeve/Spacer/Bush Precision Machining and so on.

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Supplier Homepage Product Ceramic sleeve/tube Precision Al2O3/Alumina Ceramic Sleeve/Bushing Machining

Precision Al2O3/Alumina Ceramic Sleeve/Bushing Machining

FOB Price: US $0.5-5 / Piece
Min. Order: 10 Pieces
Min. Order FOB Price
10 Pieces US $0.5-5/ Piece
Get Latest Price
Production Capacity: 100, 000PCS/Year
Transport Package: Carton or Wooden Case Packaging
Payment Terms: T/T, Paypal

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Product Catalog
Ceramic sleeves
21 Products
Product Image
Product Name
FOB Price
Basic Info
  • Model NO.: N/A
  • Lead Time: 30 Days
  • Surface Roughness: Ra0.1
  • Specification: 50x50x30cm
  • HS Code: 8547100000
  • Material: Ceramic
  • Tolerance: +/-0.01mm
  • Trademark: Actech
  • Origin: China
Product Description
   We manufacture & supply advanced technical ceramic tubes custom machined to your specific design. 
Ceramic tubes are finding their way into more and more application due to their highly desirable mechanical,
thermal, and electrical properties.

  Ceramic tubes can be used in extreme environments unlike many other materials. Precision Ceramics has
a wide assortment of tube sizes available; depending upon the material, we can machine tubes with incredibly
tight tolerances. Additionally, Precision Ceramics has standard size Alumina Tubes available in a variety of
sizes and purities. Other materials may be available in custom dimensions and specifications. We are happy
to offer material design & application assistance for any special requirements.

Ceramic Tube Applications

  • Furnace work tubes
  • Kiln furniture, components & accessories
  • Thermocouple protection tubes
  • Heater Support Elements
  • High Temperature Electrical Insulators
  • Extreme temperature measurement components
  • Ceramic Laser components
  • High voltage electrical insulators  
Product Name                     
Ceramic Sleeve/Tube/Ring
Alumina, Zirconia, Silicon Nitride and Machinable Glass Ceramic
According to customers' drawing and sample
Surface RoughnessRa0.05
Lead time
15 - 30days                                                                                          
Max. Working1500 -1700 °C
Air Express (DHL/UPS/TNT/ FedEx) or Ocean Shipping                       
Products Show:
Precision Al2O3/Alumina Ceramic Sleeve/Bushing Machining
Material Characteristics   
Gas Permeability    00000
Water Absorption      %0%0%0%0%0.038%
Colour WhiteIvoryWhiteGreyWhite
Density  g/cm33.73.8563.22.7
Physical Characteristics   
Hardness   Kg/mm211001400110016001175
Modulus of Elasticity   Gpa30035020030065
Flexural Strength  Mpa3003401150600108
Compressive Strength  Mpa2100220025002500488
Fracture Toughness  Mpam1/23.54126 
Thermodynamic Property   
Max Use Temperature   °C1500165015001800800
Thermal Conductiviey  W/(m.k)2527.52.5201.68
Thermal Expansion Coefficient  10-6/°C7.58103.28.6
Thermal Shock Resistance   △T°C200200250600200
Specific Heat  J/kg.K860860500500 
Electrical Specification    
Dielectric Strength   KV/mm12105 40
Dielectric Constant  εr9.59.11267
Volume Resistivity  Ω≥1014≥1014≥1010≥1014≥1016
Dielectric Loss Angle 0.00020.00020.001  

Precision Al2O3/Alumina Ceramic Sleeve/Bushing Machining
Manufacturing Process
Precision Al2O3/Alumina Ceramic Sleeve/Bushing Machining
Precision Al2O3/Alumina Ceramic Sleeve/Bushing Machining
Packing and Shipping
Precision Al2O3/Alumina Ceramic Sleeve/Bushing Machining
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Mr. Benny Yin
Sales Manager
To: Mr. Benny Yin

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