These open-top caps are intended for use with DiamondPure™ Headspace Vials (sold separately). The caps are specifically designed to maintain sample integrity during heating, equilibration, and automated injection cycles, and deliver stable, leak-resistant sealing under typical headspace heating conditions. With PTFE and silicone septa, the caps are crafted to provide uniform sealing performance, helping support consistent pressurization and reproducible results in volatile and semi-volatile testing.
- Steel/magnetic open-top screw cap with 1.3mm top opening
- Red PTFE/white silicone septum
- Compatible with major GC headspace autosamplers
- Engineered to maintain consistent sealing during heating & pressurization
- Sold in full cases only
- Vials sold separately