
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.
S |
| Screw Cap 9mm, Black Bonded, with trans blue silicone/clear polypropylene for PFAS analysis |
| Screw Cap 9mm, Black Bonded, with trans blue silicone/clear polypropylene, pre-slit for PFAS analysis |