8-425 Black Open Hole Polypropylene Closure
Overview
This 8-425 black open hole closure is manufactured from polypropylene and designed for use with standard 8-425 threaded laboratory vials. The cap features a central opening and is supplied with a 0.065 in red PTFE/silicone septum, enabling sample access via syringe while maintaining a secure seal. The polypropylene construction provides broad chemical compatibility for routine analytical applications.
The open top configuration supports repeated needle penetration of the septum, making it suitable for chromatography and sample storage workflows requiring controlled access.
Highlights
- Thread size: 8-425
- Black polypropylene construction
- Open hole design for septum access
- 0.065 in red PTFE/silicone lined septum included
At-a-glance
- Closure type
- Open hole screw cap
- Thread finish
- 8-425
- Material
- Polypropylene (cap)
- Septum
- 0.065 in red PTFE/silicone
- Colour
- Black (cap), red (septum)
- Compatibility
- 8-425 threaded vials
- Condition
- New
Applications
Suitable for use in chromatographic sample preparation and storage, including GC and HPLC workflows requiring syringe access. The PTFE/silicone septum supports repeated needle puncture for liquid sampling and injection. Commonly used in analytical, pharmaceutical, and environmental laboratories.
Sustainability
By rehoming surplus lab products, this listing supports waste reduction and resource efficiency.
