Ceramic Tube & Rods
Alumina Oval Double Bore Tubing
OD in. ID in. OD mm. ID mm.
 0.077/0.051  
 0.014  
 1.96/1.30  
 0.36  
 0.120/0.070  
 0.031  
 3.05/1.78  
 0.79  
 0.165/0.115  
 0.040  
 4.19/2.92  
 1.02  
 0.191/0.128  
 0.060  
 4.85/3.25  
 1.52  
 0.235/0.136  
 0.080  
 5.97/3.45  
 2.03  
 0.386/0.324  
 0.133  
 9.80/8.23  
 3.78  
 0.445/0.261  
 0.156  
 11.30/6.63  
 3.96  

Diameter tolerance ± 3% or ± 0.003" (0.076 mm), whichever is greater. Straightness: camber / length < 0.003

Alumina Tubes is the the workhorse of the advanced technical ceramic tubes.  It has good mechanical and electrical properties, wear resistance and corrosion resistance.  It has relatively poor thermal shock resistance.
 

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