Product Description
Keep vial contents sealed and protected with fluoropolymer-faced septa. The inert facing shields samples from the silicone backing while still allowing clean needle access, making these dependable septa for routine sample sealing and storage in chromatography labs. Two sizes cover common vial caps.
This listing is for Kimble catalog number N73831A-20: FEP/Silicone Septa, White, 20 mm, Case of 1,000. Choose 13 mm PTFE/silicone septa or 20 mm white FEP/silicone septa. Both pair a chemically inert face with a resealing silicone backing for use in vial caps and seals. Sold in cases of 1000. Select the facing that best suits your samples and sealing method. LIGHT LABS supplies the complete DWK Life Sciences line, including Kimble, Wheaton and DURAN labware.
Key Features
- Inert facing – PTFE or FEP shields samples from silicone.
- Silicone backing – Reseals after needle penetration.
- Two sizes – 13 mm and 20 mm.
- Bulk pack – Cases of 1000.
Specifications
| Catalog Number | N73831A-20 |
| Brand | Kimble (DWK Life Sciences) |
| Description | FEP/Silicone Septa, White, 20 mm |
| Sold As | Case of 1,000 |
| Backing | Silicone |
Available Options
Applications
- Chromatography vial sealing
- Headspace and sample vials
- Sample storage
