The Cole-Parmer 9 mm UltraBond Cap, Black, Silicone/PTFE (98703-63) is an open polypropylene screw cap designed for compatible short-thread chromatography vials. This black 9 mm configuration features an UltraBond silicone/PTFE septum bonded to the cap without adhesives and is supplied in packs of 1000.
Key Features
- 9 mm short-thread screw design, providing the specified closure format for compatible short-thread vials
- UltraBond silicone/PTFE septum, combining the cap and septum into a one-piece closure system
- Adhesive-free bonding process, helping avoid contamination associated with adhesive-based septum attachment
- Open cap configuration, providing access through the closure for compatible autosampler needle workflows
- Black polypropylene construction, matching the specified material and colour for this exact variant
- Designed for short-thread vials, providing the intended fit within compatible chromatography vial systems
- Non-sterile supplied format, matching the manufacturer specification for this cap and septum combination
- Pack of 1000 closures, supporting routine and high-throughput chromatography sample preparation
Benefits
- Help reduce sample contamination by using an UltraBond closure assembled without adhesive between the cap and septum.
- Help minimise sample evaporation by maintaining an appropriate vial, septum and cap seal.
- Reduce septum deformation caused by overtightening, helping protect autosampler needles during routine operation.
- Match compatible short-thread chromatography vials with a clearly defined 9 mm open closure configuration.
Why Choose the Cole-Parmer 9 mm UltraBond Cap, Black, Silicone/PTFE (98703-63)?
The Cole-Parmer 98703-63 combines a black polypropylene 9 mm short-thread cap with an UltraBond silicone/PTFE septum joined without adhesives for clean, reliable vial closure. John Morris Group supplies this pack of 1000 for laboratories requiring a defined closure solution for compatible chromatography and autosampler vials.
