Ibis Scientific 20mm Crimp Cap with Tan PTFE/Silicone Septa | SKU: 4570-125

The Ibis Scientific 20mm Crimp Cap features a premium tan PTFE/silicone septum, engineered for reliable sealing in headspace analysis, gas chromatography, and general laboratory sample storage applications. This crimp cap design ensures a secure, leak-proof seal that maintains sample integrity while providing excellent chemical resistance and low extractables for accurate analytical results.

• Septum Material: Tan PTFE/Silicone composite – PTFE layer faces sample for superior chemical inertness
• Cap Size: 20mm diameter, compatible with standard 20mm crimp-top headspace vials
• Quantity: 100 caps per package for cost-effective laboratory use
• Temperature Range: Suitable for a wide range of thermal applications including headspace autosamplers
• Low Bleed Formulation: Minimizes background interference in GC and GC-MS analyses
• Resealable Design: PTFE/silicone septa allow for multiple injections while maintaining seal integrity