Cap, crimp, silver aluminum, 11 mm, PTFE/red rubber septa, 100/pk. These 11 mm silver aluminum crimp caps come in 100/pks and include a press-fit septum made from a red PTFE/natural red rubber septum bi-layer. This combination is suitable in a broad range of applications, but it is one of the main choices for GC and GC/MS applications where the sample is more volatile and/or where snap or screw style vials are not appropriate. Natural red rubber is preferred by some customers due to its more malleable physical properties which allows for less needle wear. This crimp version is also a great option for added security as, once crimped, the sample is secure. The user will require a crimping/decapping tool for use. Each cap is compatible with all wide-opening 2 mL glass and polypropylene vials, 2 mL micro vials and 2 mL High Recovery vials. These crimp caps are press-fit (non-bonded) – the most sustainable cap option as the various components can be separated for easier disposal and recycling.
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