Product ID : R23
R23 Two Hole Ceramic Tube Insulator, OD (in)=0.125, ID (in)=0.040
Are available in both quartz and ceramic.
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.