Product ID : R49
R49 Four Hole Round Ceramic Tube Insulator, OD (in)=0.250, ID (in)=0.078
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.
Premium wide mouth plastic bottles feature our superior double seal closure which is guaranteed to be leakproof.
O-Rings are available in five different materials from Scientific Instrument Services.
This convenient o-ring kit contains 30 of the most popular sizes, for a total of 380 o-rings, in one convenient kit.
A superior electrical insulation for Heaters, Elements and Furnaces
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.
Alumel is a nickel/aluminum magnetic alloy used in the production of thermocouples and thermocouple extension wires.