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Product ID : R47
R47 Four Hole Round Ceramic Tube Insulator, OD (in)=0.158, ID (in)=0.040
Description
More details on associated web pages:
Four Hole Round Ceramic Tube Insulators
The following four hole alumina ceramic tube type insulators are available in six inch lengths.Ceramic Tubes
(Catalog A58)

The following two hole alumina ceramic tube type insulators are available in six inch lengths.

The following four hole alumina ceramic tube type insulators are available in six inch lengths.

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.

A superior electrical insulation for Heaters, Elements and Furnaces