Xiamen Unipretec Ceramic Technology Co., Ltd.

China Manufacturer with main products: Alumina Ceramic, Zirconia Ceramic, Silicon Nitride, Boron Nitride, Ceramic Grinding Media, Ceramic Cutting Blade, Ceramic Dosing Pump,...

Home  >Products Catalog > Al2O3 Alumina Ceramic > 95% 96% 99% Al2O3 Alumina Ceramic

95% 96% 99% Al2O3 Alumina Ceramic

FOB Price: 1.00 - 2.00 USD/Piece
Supply Ability: 10,000 Piece/Pieces per Month
Shipping: 30 days, Xiamen Port
Payment Terms: L/C, T/T, Western Union
In Stock
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Mid East, Eastern Asia, Western Europe
Place of Origin: Fujian in China
Packaging Details: wooden case

Quick Details

  • Brand Name: UNIPRETEC
  • Model Number: 15110302
  • Material: Alumina Ceramic
  • Application: Structure Ceramic
  • Type: Ceramic Parts
  • Color: White, Pink, Ivory
  • Density: 3.65 - 3.90 g/cm3

Specifications

Alumina is one of the most cost effective and widely used material in the family of engineering ceramics. The raw materials from which this high performance technical grade ceramic is made are readily available and reasonably priced, resulting in good value for the cost in fabricated alumina shapes. With an excellent combination of properties and an attractive price, it is no surprise that fine grain technical grade alumina has a very wide range of applications.

Key Properties

- Hard, wear-resistant
- Excellent dielectric properties from DC to GHz frequencies
- Resists strong acid and alkali attack at elevated temperatures
- Good thermal conductivity
- Excellent size and shape capability
- High strength and stiffness
- Available in purity ranges from 94%, an easily metallizable composition, to 99.8% for the most demanding high temperature applications.

Key Features of Some Advanced Technical Ceramics

Characteristics Unit 95 Al2O3 99 Al2O3  ZrO2 SSiC SiSiC B4C HPS3N4
Color white ivory white black black black dark gray
Density g/cm3 3.65 3.88 6.05 3.12 3.06 2.51  3.25
Young's Modulus Gpa 280 350 205 400 320 420 310
Vickers Hardness Gpa 14 20 12 25 22 36 22
Flexural Strength Mpa 280 300 900 400 300 370 850
Compressive Strength Mpa 1700 2000 2500 2200 2000 2900 2800
Thermal Conductivity W/(m?K) 25 30 2.2 100 130 35-40 27
Thermal shock resistance ΔT(C°) 220 180-200 400 350 220 130 450-650
Max. Working Temperature 1500 1700 850 1500 1300 1500 1200
Volume Resistivity ( 20  ) Ω?cm >10^15 >10^14 >10^12 >10^6 >10^6

_

>10^14


Typical Uses
- Gas laser tubes
- Wear pads
- Seal rings
- High temperature electrical insulators
- High voltage insulators
- Furnace liner tubes
- Thread and wire guides
- Electronic substrates
- Ballistic armor
- Abrasion resistant tube and elbow liners
- Thermometry sensors
- Laboratory instrument tubes and sample holders
- Instrumentation parts for thermal property test machines
- Grinding media

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