The Cole-Parmer Short Thread Cap, 9 mm, Open Red PP, Rubber/TEF (98703-40) is a polypropylene screw closure designed for compatible 9 mm short-thread chromatography vials. This open red cap is supplied with a natural rubber/TEF septum offering excellent resealing properties and is packaged in quantities of 1000.
Key Features
- 9 mm short-thread screw configuration, designed to fit compatible short-thread chromatography vials
- Open cap design, providing access through the septum for compatible analytical sampling procedures
- Red polypropylene construction, providing the specified cap material and colour for this exact variant
- Natural rubber/TEF septum, combining natural rubber with a transparent TEF layer
- Excellent septum resealing properties, supporting repeated needle penetration while maintaining vial closure performance
- Secure vial-septum-cap sealing, helping reduce sample evaporation associated with inadequate closure sealing
- Non-sterile configuration, suitable for chromatography workflows that do not require sterile vial closures
- Pack of 1000 caps, supporting routine and high-throughput analytical sample preparation
Benefits
- Maintain secure sample containment with a cap and septum combination designed for short-thread chromatography vials.
- Reduce the potential for sample loss through evaporation by maintaining an effective vial closure.
- Support repeated autosampler needle access with the resealing characteristics of the natural rubber/TEF septum.
- Identify this closure configuration quickly in busy laboratory workflows through the red polypropylene cap.
- Maintain a high-volume supply for routine chromatography preparation with 1000 closures supplied per pack.
Why Choose the Cole-Parmer Short Thread Cap, 9 mm, Open Red PP, Rubber/TEF (98703-40)?
The Cole-Parmer Short Thread Cap 98703-40 combines a 9 mm open red polypropylene closure with a natural rubber/TEF septum offering strong resealing performance. John Morris Group supplies this verified Cole-Parmer configuration for laboratories requiring dependable vial closures for chromatography and autosampler sample handling.
