Home
Download CatalogDownload CatalogAbout UsAbout UsContact UsContact Us
Products Mechanical Seals Seal Materials Other Products
    Seal materials >
 

Alumina ceramics
      Al2O3 - 99% Al2O3 -97% Al2O3 -Fe  
    Purity % >99.5 >97.0 >88  
    Density g/cm^3 3.89 3.71 4.06  
    Hardness Vickers 1kg kg/mm^2 2000 1900 1500  
    Modulus of Elasticity GPa 330 280 270  
    Fracture toughness MPa*m^1/2 3.8 3.5 >5.6  
Flexural Strength (MOR) MPa 330 320 300
    Compressive Strength MPa 2600 2300 2300
    Thermal Expansion (CTE) 10^-6/K 8.2 8.0 9.1
    Thermal Conductivity W/(m·K) 30.0 26.0 33.2
             
   © 2005 M-Seals.  All rights reserved.
Silicon Nitride Silicon Carbide Tungsten Carbide Alumina Ceramics Carbon Graphites