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PTFE/Butyl (gray) Septa with Aluminum Cap Crimp Top Pre-Assembled Kit (pack/1000)

The butyl septa is tested to 20 ppb of toluene. Test conditions use the PerkinElmer TurboMatrix headspace FID for the analysis, assuring you of the highest quality to attain reproducible results.

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Detail Information

Choose the right septa for your analysis. Although a wide variety of septa is available, chemical compatibility and temperature are the most critical to the analysis. Temperature applies not only to the vial, but also to the temperature of the instrument’s needle used for pressurization and sample transfer, which is heated to prevent condensation. A needle temperature higher than the vial temperature setting can decompose the septum material. PTFE coated silicone and aluminum-coated silicone offer the highest temperature operating limits.


Cap and Carrier Style Crimp Top
Color Gray
Inner Diameter 20 mm
Material PTFE/Buytl
Product Group Cap/Septa
Style Crimp Top
Technology Type Headspace