Product ID : R1237
R1237 Four Hole Round Ceramic Tube Insulator, OD (in)=0.187, 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.
Source insulators for Extrel mass spectrometers
Stepped insulators made from alumina ceramic.
A superior electrical insulation for Heaters, Elements and Furnaces
The following four hole alumina ceramic tube type insulators are available in six inch lengths.