Description
20mm Aluminum Crimp Caps with PTFE/Silicone Septa – 1000/Case
These premium 20mm aluminum crimp caps feature a PTFE/silicone septum combination, delivering exceptional chemical resistance and reliable sealing performance for chromatography vials, headspace analysis, and sample storage applications. The PTFE-faced silicone septa provide an inert barrier ideal for GC, HPLC, and mass spectrometry workflows where sample integrity and contamination prevention are critical.
- Diameter: 20mm standard crimp cap size for universal compatibility with 20mm crimp-top vials
- Septa Material: PTFE/Silicone composite – PTFE layer faces sample for chemical inertness, silicone backing ensures optimal resealing
- Cap Color: Silver aluminum finish for easy identification and professional appearance
- Quantity: 1000 caps per case for high-throughput laboratory environments
- Applications: Headspace analysis, GC/MS, pharmaceutical testing, environmental sampling, and volatile compound analysis
- SKU: 21764
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