DWK Life Sciences MicroLiter 20mm 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: DWK Life Sciences 200020B
DescriptionMolded 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.
|20 mm Septa|
|20 mm Headspace Seals - MicroLiter|