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Choosing your device material

By Sophie Naud

An overview of our thermoplastic options to help you identify the best fit for your application.

Why material choice matters link to Why material choice matters section

You’ve designed your device – now it’s time to choose the material that will make it successful. Choosing the right thermoplastic early on can ensure reliable performance and smooth scaling, but choosing the wrong one can compromise your results. We help you make that decision with confidence.

How we build with your application in mind link to How we build with your application in mind section

All devices are manufactured in production-grade thermoplastics for maximum biological compatibility and optical performance. Each material offers distinct advantages depending on your application needs.

Key Performance Factors PMMA PC COP*
Biocompatibility Yes Yes Yes
Acetone No No Yes
Optically transparent cap Yes Yes Yes
UV transparent cap option Yes No No
Heat resistance
(glass transition temperature)
Maybe 105ºC Yes 146ºC Yes 134ºC-136ºC
Ethanol resistance Maybe Yes Yes
Acid and base resistance Maybe Maybe Yes
Fats and organic oils resistance Yes Yes Maybe
Low autofluorescence Maybe Maybe Yes
Surface behavior Slightly hydrophilic Neutral Neutral to slightly
hydrophobic
Example use case Single-use diagnostic
cartridge for UV-based
detection.
Reusable cell culture
chip requiring ethanol
sterilization and heat
resistance.
High-precision drug
screening chip for
fluorescence-based
applications.

* All devices use the same material for the fluidic layer, cap, and components, except for COP devices, which use a COC cap for optimal bond strength. Detailed specs on COC can be found on the Materials page.

Considerations when selecting materials link to Considerations when selecting materials section

  1. All materials are priced the same – choose based on performance, not budget.
  2. Test multiple materials within a single order to compare real-world performance.
  3. Any device made from our standard materials can be capped and integrated with ports, interfaces, and microvalves.
  4. Explore detailed specs and other material properties on our Materials page.