ALWSCI Aluminum Crimp Seal (10mm Hole) with 20 mm Natural PTFE/Blue Silicone Septa 3.0 mm Thick for Headspace Vial, 20 mm Closure Size, Case of 100 (UltraClean)
Special Features
UltraClean Liners for sensitive analysis,it is mostly used for Chromatography analysis,including environmental testing water, soil
Comparing with normal one,the performance of Ultra-Clean septa is very nice through LC/MS,GC/MS
20 mm aluminum crimp headspace,Temperature resistant from -60 °C up to 200 °C
Closure has a natural polytetrafluoroethylene (PTFE) and blue silicone septum that is chemically resistant and highly resealable
Completely laminated with PTFE. Soft liners for easy penetration
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