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Two Hole Round Ceramic Tube Insulators

Two Hole Round Ceramic Tube Insulators
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Description

The following two 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. They are recommended for use in mass spectrometers and other vacuum systems as feed through lines, thermocouple insulators, and in other applications requiring electrical and thermal insulators. Other types are also available - one hole, four hole insulator tubes, and solid rods.

The following ceramic tubes are supplied in 6 inch lengths. Unless otherwise noted they can also be supplied in longer lengths (up to 24 inches long). We can also custom cut shorter lengths to your specifications. Contact Us with your specific requirements.

Other sizes available on request

Tolerances on all diameters are ±0.005"

R25 is available in 6 inch lengths only.

Prices shown are for 6 inches.

Two Hole Ceramic Tube Insulator
Part No. OD (in)ID (in) Price
EA
Order
R1215 0.0310.005 $29.50
Qty
R1216 0.0470.010 $18.50
Qty
R26 0.0620.016 $18.50
Qty
R29 0.0940.025 $18.50
Qty
R27 0.1090.031 $13.50
Qty
R25 0.1250.020 $13.50
Qty
R24 0.1250.031 $18.50
Qty
R23 0.1250.040 $13.50
Qty
R1221 0.1560.040 $13.50
Qty
R28 0.1560.052 $13.50
Qty
R1222 0.1880.040 $19.00
Qty
R22 0.1880.062 $13.50
Qty
R21 0.250.062 $18.75
Qty
R20 0.250.078 $19.00
Qty
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