Product ID : R44
R44 Single Hole Round Ceramic Insulator, OD (in)=0.050, ID (in)=0.020
The tubes are constructed of a pure 99% alumina ceramic that has superior gas and vacuum tightness and excellent insulating properties even at elevated temperatures.
The following two hole alumina ceramic tube type insulators are available in six inch lengths.
Are available in both quartz and ceramic.