The Macherey-Nagel N20 Aluminium Crimp Closures are designed to provide a secure, reliable seal for chromatography vials used in headspace GC, HPLC and analytical laboratory applications. Supplied pre-assembled with a 3.0mm blue silicone/PTFE septum, these closures deliver excellent chemical resistance, high analytical purity and dependable sealing performance for sensitive sample analysis.
Manufactured from high-quality aluminium, these N20 crimp caps feature a centre hole design for easy sample injection while maintaining sample integrity. The silicone/PTFE septum offers excellent puncture resistance and resealing properties, making it ideal for repeated injections and demanding analytical workflows. With a temperature resistance of -60°C to +200°C, these closures are suitable for high-temperature chromatography applications, including headspace analysis and Karl Fischer titration.
Trusted by pharmaceutical, environmental, food, chemical and research laboratories, Macherey-Nagel chromatography closures provide consistent performance and reliable sealing to help achieve accurate, reproducible analytical results. Designed for compatibility with N20 crimp neck vials, they are an essential consumable for routine laboratory testing.
Key Features
- Genuine Macherey-Nagel chromatography closures
- N20 aluminium crimp caps with centre hole
- Pre-assembled 3.0mm silicone/PTFE septa
- High analytical purity
- Temperature resistant from -60°C to +200°C
- Easy needle penetration with good resealing performance
- Suitable for headspace GC, HPLC and chromatography
- Compatible with N20 crimp neck vials
- Pack of 100
