Products Machines Tolerences Stock online Company Contact Home Download
 
Ceramics
Ruby
sapphire
Quartz
 
     

 

 

SAPPHIRE
   
Size from 0.20 mm to 20.00 mm
Al203
Hexagonale rhomboedrique
Density 3,99 - 3,98
Fusion Temperature 2050°C
Thermal expansion 5,4 x 10-6/°C face perp. axe C
6,2 x 10-6/°C face paral. axe C
Hardness Mohs 9
Hardness Knoop 1800 face perp. axe C
2200 face paral. axe C
1,769 face paral. axe C
Dispersion factor 0.011
   
 
see more

 
Technical Glass
Optical Glass
Cubic Zirconia
   
   
Use of this site is subject to the terms and conditions: Disclaimer.Sandoz Fils SA, Tel. ++41 26 66 24 500
Copyright © 2000 Sandoz Fils SA. Powered by I-Logic Communications