7138150
DWK Life Sciences MicroLiter 20 mm Crimp Top Headspace Vial Septas and Stoppers
Butyl stoppers can be used when PTFE is not required. Butyl/PTFE septa are an economical choice with low background peaks.
Manufacturer: Fischer Scientific
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Pre-slit
No
Closure Size
20 mm
For Use With (Equipment)
20 mm Headspace Seals - MicroLiter
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Description
- Molded PTFE/butyl septa offer the tightest seal of all PTFE items, as well as low background peaks
- PTFE/silicone septa are excellent for volatiles
- Aluminum/silicone septa are also excellent for volatiles, but not suitable for repeat injections.