National Scientific Septa
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10-425 Septa
National ScientificPTFE Disk septa are chemically inert PTFE Red Rubber septa are economical for many GC applications PTFE/Silicone septa are most popular for HPLC and IC applications Pre-slit septa are easier to pierce with thin gauge needles
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11mm Crimp Seals
National ScientificAluminum seals with pre-inserted septa are compatible with standard opening crimp top vials, wide opening Target LOVial™ crimp top vials and Target Snap-it™ crimp/snap vials.
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Butyl Gray Headspace Vial Septa
National ScientificFor 20 mm vials Temperature range: 40° to 120°C Does not provide PTFE barrier Not suitable for alkalines, benezene, chlorinated solvents or cyclohexane
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