Is PVDF a Suitable Alternative to Teflon for Iodine Experiments?

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SUMMARY

This discussion centers on the suitability of PVDF (Polyvinylidene fluoride) as an alternative to Teflon for handling iodine in laboratory settings. PVDF is confirmed to be resistant to iodine up to 65°C, making it a viable option when Teflon products are unavailable. Users have noted that suppliers like Cole Parmer offer PVDF valves and fittings that can be procured quickly, addressing urgent laboratory needs. The comparison of iodine resistance between PVDF and Teflon remains a key consideration for users in selecting materials for their experiments.

PREREQUISITES
  • Understanding of chemical resistance properties of materials
  • Familiarity with laboratory equipment and fittings
  • Knowledge of temperature limits for material performance
  • Experience with sourcing laboratory supplies
NEXT STEPS
  • Research the chemical resistance of PVDF compared to Teflon in various applications
  • Explore suppliers of PVDF valves and fittings, focusing on availability and delivery times
  • Investigate the thermal properties of PVDF and Teflon for high-temperature applications
  • Learn about alternative materials for chemical handling in laboratory settings
USEFUL FOR

Laboratory technicians, chemical engineers, and researchers involved in experiments with iodine or similar chemicals will benefit from this discussion.

splitringtail
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I am working with Iodine in our lab and we typically use Teflon, but for an experiment we might need all the valves in such a material. Yet, a few places that I have found that carry such products are not on hand and would be available in weeks.

I would like something by Monday/Tuesday. However,some places that carry a lot of Teflon products have PVDF valves and fittings available. Cole Parmer and few other places say PVDF is resistant to Iodine, but I am not sure how much compared to Teflon.

Any suggestions?
 
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