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Vespel® Graphite GC Ferrules

Dodávateľ: Trajan Scientific and Medical
SGEA215125EA 97.7 EUR
SGEA215125 SGEA213100 SGEA2131XX SGEA2154XX SGEA215400 SGEA215200 SGEA2152XX SGEA215168 SGEA213420 SGEA215124 SGEA213222 SGEA215165 SGEA215164 SGEA213105-200 SGEA213108 SGEA213228 SGEA215208 SGEA213104 SGEA213103 SGEA213104-200 SGEA215204 SGEA213106 SGEA213105 SGEA215205 SGEA213110 SGEA215210 SGEA215103 SGEA215104 SGEA213165 SGEA213168 SGEA213124 SGEA213200 SGEA2132XX SGEA215100 SGEA2151XX SGEA213164 SGEA213163 SGEA215400B SGEA213408 SGEA213405 SGEA213800 SGEA213108-200 SGEA213404 SGEA213208 SGEA213406 SGEA215108 SGEA213400 SGEA2134XX SGEA213125 SGEA213205 SGEA215105 SGEA215106 SGEA213204 SGEA213210 SGEA213410 SGEA215110 SGEA213400B
Vespel® Graphite GC Ferrules
Fitinky a konektory
Vespel/graphite GC ferrules are made from quality polyimide/graphite blend. They seal with minimal torque and can be reused and repositioned along capillary columns if not over compressed in the fitting. Due to slight shrinking at high temperatures, they must be retightened after initial temperature cycles to avoid leaks.

  • Trajan offers both Vespel/graphite blends, a 60/40 mix and an 85/15 mix
  • The 85/15 maintains a high level of hardness and long lifetime
  • The 60/40 blend is softer, with improved wear resistance and lower friction
  • These ferrules will require less force to compress and form a seal

Two types of Vespel/graphite are commonly used, one with 40% graphite and one with 15% graphite. They are ideal for GC/MS interface applications because they are non-porous to oxygen. The inclusion of graphite increases high-temperature tolerance and reduces sticking and shrinkage.

Both blends have an upper temperature limit of 400 ℃.
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