The HazMat Guys: Archives

The HazMat Guys: Archives


THMG481 – Plastic Containers – Part II

January 24, 2025

Join us in this episode as we dive into the world of plastics. We explore the various types, their uses, and their limitations, especially when it comes to safely storing hazardous materials. If you're curious about choosing the right container for your chemicals, this episode is a must-listen!


Thank you to our sponsor for this episode:

ObexionFR

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908 Devices

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Mirion

Mirion Technologies leads in radiation detection and analysis, providing advanced tools for first responders to ensure safety and security. Their technology helps detect and monitor radiation, allowing quick and informed decision-making in emergencies. With portable detectors and monitoring systems, they equip emergency personnel to manage hazardous environments safely. By focusing on innovation and user-friendly design, Mirion supports first responders in protecting communities and reducing risks, making them vital in public safety and emergency preparedness. Check them out here


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  • Hazard Class Show
  • Industrial Strength Show | Haz Mat Harder
  • U.S. & Eh?


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Episode Overview

In this continuation of our series on plastics in hazmat response, we explore advanced and specialized plastics like Ultra High Molecular Weight Polyethylene (UHMW) and Teflon (PTFE). The discussion covers their unique properties, chemical compatibilities, and critical applications. Whether you're on the frontlines of hazmat response or curious about cutting-edge material science, this episode has plenty to offer.




Segment Breakdown and Timestamps

Introduction to Advanced Plastics (0:00–4:09)
  • Overview of "other" plastics not covered in the previous episode.
  • Introduction to UHMW and its extreme toughness and chemical resistance.
UHMW: The Workhorse of Harsh Environments (4:10–6:39)
  • Strengths: abrasion resistance, chemical stability, and self-lubricating surfaces.
  • Ideal uses: liners, barriers, and secondary containment for corrosive chemicals.
  • Limitations: difficulty in bonding, high temperature degradation, and stress cracking over time.
PTFE (Teflon): The Gold Standard for Chemical Resistance (6:40–10:23)
  • Properties: unparalleled chemical resistance and high-temperature stability.
  • Applications: gaskets, seals, and linings for highly reactive substances.
  • Dangerous conditions: reactions with molten alkaline metals, fluorinating agents, and high temperatures.
PET and PVDF: Niche Applications in Hazmat (10:24–18:31)
  • PET (Polyethylene Terephthalate):
  • Lightweight and recyclable, suitable for weak acids and low-risk materials.
  • Limitations include incompatibility with strong bases and high temperatures.
  • PVDF (Polyvinylidene Fluoride):
  • Balance of chemical resistance and mechanical strength.
  • Applications in high-purity environments and strong acid storage.
Case Studies: Learning from Past Failures (18:32–20:43)
  • Incident 1: Acid spill containment failure due to heat reactions.
  • Incident 2: Solvent breach in PVC Type 1 container caused by permeation.
Best Practices and Wrap-Up (20:44–End)
  • Using compatibility charts and FTIR/Raman spectroscopy for material identification.
  • Importance of considering chemical concentration, temperature, and exposure time.
  • Summary of key takeaways from the series.



Key Moments

  • Fun Fact: If nothing sticks to Teflon, how does Teflon stick to a pan?
  • Pro Tip: Always double-check chemical compatibility with charts or spectroscopy tools before use.
  • Case Studies: Real-world examples highlight the dangers of improper material selection.



Resource Links and References

  • Plastic Compatibility Chart: Download from our website for easy reference.
  • Recommended Tools: Information on FTIR and Raman spectroscopy for plastic identification.