Capillary Column Ferrules

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Vespel®/Graphite Ferrules - SP-22 (60% / 40%) Capillary Column Ferrules Vespel/Graphite ferrules are made from DuPont polyimide/graphite blended compounds. They are ideal for GC/MS interface applications because they are non-porous to oxygen. They seal with minimal torque and are not re-usable. Due to slight shrinking at high temperatures, they must be retightened after initial temperature cycles to avoid leaks. Two types of Vespel/Graphite are commonly used, one with 40% graphite and one with 15% graphite.

Details:

Capillary Column Ferrules	For Capillary Sizes - ID	Item No
1/16” to 0.3 mm, 10/pk	0.10 mm	213103
1/16” to 0.4 mm, 10/pk	0.18 - 0.25 mm	213104
1/16” to 0.5 mm, 10/pk	0.32 mm	213105
1/16” to 0.8 mm, 10/pk	0.53 mm	213108
1/16” to 1.0 mm, 10/pk	0.65 mm	213110
1/16”, two hole 0.4 mm; each	0.25 mm	213125
1/16”, two hole 0.5 mm; each	0.32 mm	213125

CRS Product Sell Sht - Ferrules.pdf

Please note general ferrule sizing:

• 0.3 mm ID ferrules fit 0.18 mm ID capillary columns

• 0.4 mm ID ferrules fit 0.25 mm ID capillary columns

• 0.5 mm ID ferrules fit 0.32 mm ID capillary columns

• 0.8 mm ID ferrules fit 0.53 mm ID capillary columns

• Straight ferrules are used for packed columns

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