Product ID : R19
R19 Single Hole Round Ceramic Insulator, OD (in)=0.188, ID (in)=0.125
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.
Buy tungsten wire, ribbon for mass spectrometer heaters here. Choose from varying thickness, Tungsten filament wire sold by the foot.