24-400 Screw Neck PP Caps with Septa for Good Price
High-quality, pure silicone is laminated to PTFE to give a pure, highly inert septum with excellent resealing characteristics even after repeated punctures.
PTFE/Silicone septa are the preferred product for use in most HPLC and GC applications where resealability and high purity are critical. Works well for applications where ease of needle penetration is important.
Septa-silica gel has strong repetitive sealability, and it can maintain good close performance after multiple injections; PTFE is a material with better chemical conditions at present, and it can withstand strong acids and alkalis. Two materials After compounding, the bottle can be used for various laboratory purposes such as sealed sampling, chemical storage and so on.
- Suitable for: 24-400 Screw Neck Vials
- Caps Material: PP
- Septa Material: PTFE / Silicone
- Septa Size: 22*3mm
- Cap Features: 15mm Centre Hole
- Color: White, Black, Red or Customized