
Vial caps with PTFE-free septa to help reduce background contamination in PFAS analysis.
Our Range Includes...
11mm Crimp Caps: Dark grey butyl septa, standard or partial cross-slit.
9mm Screw Caps: Black bonded caps with blue silicone/polypropylene septa, standard or pre-slit.
PTFE-Free Septa: Butyl and silicone/polypropylene septa, avoiding PTFE liners.
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| Crimp Cap 11mm,Dark Gray Butyl, PFAS analysis |
| Crimp Cap 11mm,Dark Gray Butyl, PFAS analysis, partial cross-slit |