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Idex - Fluidic Plugs & Caps - Caps

Our Caps are offered in biocompatible PEEK or Tefzel® (ETFE) giving them excellent chemical resistance. Our caps are designed to effectively cap and seal off tubing.

Key Features

Our PEEK Bottle Cap Adapter offers a design that allow you to just insert it into a tubing cap hole then connect to the tubing. Our Tefzel (ETFE) Cap is designed to effectively cap and seal off tubing. Tefzel (ETFE) features a higher temperature threshold, increased strength, and lower gas permeability.

List of available Caps

Material Thread Port Configuration Thru hole Head Style For outer diameter tubing Colour
PEEK 6-32 Flat-Bottom 0.125 inches/3.17 mm  - 1/32 inches Natural
Genuine Tefzel™ ETFE Resin 10-32 Coned  - Standard Knurl Not applicable Black, Yellow
Genuine Tefzel™ ETFE Resin 1/4-28 Flat-Bottom  - Standard Knurl  - Black
Genuine Tefzel™ ETFE Resin M6 Flat-Bottom  - Standard Knurl  - Blue


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Idex Health & ScienceIDEX Health & Science is the global authority in fluidics and optics, bringing life to advanced optofluidic technologies with our products, people and engineering expertise. We are respected worldwide for solving complex problems and delivering complete path innovation for analytical, diagnostic and biotechnology applications for the life sciences market. As a genuine and trustworthy partner, we solve our customers’ most demanding challenges with the industry’s most extensive portfolio of state-of-the-art components and capabilities that are unrivaled in breadth, quality, performance and design. Our vision of the complete path goes far beyond just meeting our customers’ needs — it anticipates them, with intelligent solutions for life.
[IDEX, Upchurch Scientific, Caps, Fluidic, Plugs]