24-400 Screw Neck PP Caps with Septa for Good Price
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24-400 Screw Neck PP Caps with Septa for Good Price

Caps for screw thread vials are available with either an open hole for autosampler use and standard addition or with a solid top for sample storage. One-piece polypropylene cap and membrane are als...
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Caps for screw thread vials are available with either an open hole for autosampler use and standard addition or with a solid top for sample storage. One-piece polypropylene cap and membrane are also available. These pierceable screw thread caps are designed for one-time use and reduce sample preparation time as there is no cap and seal to assemble.

Septa

PTFE/Silicone Septa:

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.

*Detail Introduction:

  • 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
white-screw-pp-cap
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