Product ID : R1200
R1200 Single Hole Round Ceramic Insulator, OD (in)=0.078, ID (in)=0.047
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.
Are available in both quartz and ceramic.
The following two hole alumina ceramic tube type insulators are available in six inch lengths.