The Cole-Parmer Crimp Cap, 11 mm, Centre Hole, Silicone/PTFE (98704-49) is a silver aluminium chromatography vial closure designed for compatible crimp-neck vials. It is supplied with a dark blue silicone/white PTFE septum featuring a centre hole, defined 45 Shore A hardness and 1.3 mm thickness for reliable analytical and autosampler workflows.
Key Features
- 11 mm crimp-cap configuration, designed for compatible crimp-neck chromatography vials
- Silver aluminium construction, allowing the cap to crimp tightly around the vial neck for a secure seal
- Dark blue silicone/white PTFE septum, providing the specified septum combination for this exact configuration
- Centre-hole septum design, providing the verified opening configuration for this variant
- 45 Shore A septum hardness, providing controlled penetration characteristics for compatible autosampler needles
- 1.3 mm septum thickness, matching the specified thickness for this closure configuration
- Pack of 1000 caps, supporting routine and high-throughput chromatography sample preparation
Benefits
- Create a tight vial closure by crimping the aluminium cap securely around the vial neck.
- Support reliable autosampler operation with defined septum hardness and cleanliness characteristics.
- Use the centre-hole silicone/PTFE septum configuration for compatible analytical workflows requiring this closure style.
- Maintain an efficient supply for routine sample preparation with 1000 cap and septum assemblies per pack.
Why Choose the Cole-Parmer Crimp Cap, 11 mm, Centre Hole, Silicone/PTFE (98704-49)?
The Cole-Parmer Crimp Cap 98704-49 combines an 11 mm silver aluminium closure with a 1.3 mm dark blue silicone/white PTFE centre-hole septum rated at 45 Shore A. John Morris Group supplies this verified Cole-Parmer configuration for laboratories requiring dependable closures for compatible crimp-neck chromatography vials.
