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Thumbnail Filmstrip of White PTFE/Red Silicone 9x1mm Vial Septa, 100/Pk Images
White PTFE/Red Silicone 9x1mm Vial Septa, 100/Pk - CV1800
Engineered with a chemically inert PTFE contact layer, Tisch CV1800 vial septa prevent sample interaction with the seal material during storage and injection. Flexible backing layer provides the mechanical compliance needed for clean needle penetration and self-sealing recovery, maintaining a gas-tight closure through repeated punctures. Reliable component compatibility across the chromatography closure system supports reproducible analytical results from sample preparation through final data acquisition.
Matching the right vial, cap, and septum configuration to your instrument and application ensures that sample containment never becomes a source of analytical uncertainty. Precise dimensional cutting ensures uniform compression in the cap shell, giving you the consistent seal that prevents evaporation losses across extended autosampler queues. Eliminate sample containment as a source of analytical uncertainty by choosing chromatography consumables manufactured to the tolerances your instruments require.
Compatible Chromatography Components
| Caps | 9mm Short Thread Screw Caps — Blue, Black (Polypropylene) |
| Vials | 9mm Short Thread Clear and Amber Glass Vials (1.5mL, 0.3mL) |
| Thread | Short Thread / ND9 |
- Color
- White/ Red Septa
- Construction
- Silicone
- Diameter
- 9mm
- Dimensions
- 9mm x 1mm
- Pack Count
- 100
- Septa Material
- Silicone/ PTFE
- Sterility
- Nonsterile
- Weight
- 0.03
- HPLC Mobile Phase Contact - PTFE sample-contact layer provides chemical inertness across acidic, basic, and organic mobile phase conditions.
- Volatile Compound Analysis - Leak-resistant seal prevents analyte evaporation losses during extended autosampler queue wait times before injection.
- Light-Sensitive Samples - Pre-slit configurations reduce coring and particulate generation during needle penetration of amber vial closures.
- Multiple Injection Sequences - Reseal-engineered construction maintains gas-tight closure integrity through repeated autosampler needle punctures.
- Temperature-Cycled Storage - Operating range of -60 to 200 degrees Celsius accommodates refrigerated storage through elevated-temperature methods.
- Low-Extractable Requirements - Inert PTFE contact surface minimizes septum-derived contaminant peaks that interfere with trace-level baselines.