

Plastic Welding Essentials is a one-hour technical webinar led by Dr. Miranda Marcus, Senior Engineer and EWI’s technical lead for plastic and composite welding. Drawing on over 15 years of experience in polymer welding and joining, Dr. Marcus presents key principles engineers, product managers, and other decision makers should understand in a clear, practical, and engaging format.
This webinar originally aired on June 10, 2025. If you missed the live session, you can still view this recorded presentation – free and on your own time – by completing the form at the bottom of this page.
The webinar provides key insights into:
- The structure of polymers and how their properties change with heat
- The differences between welding and adhesive bonding
- Factors that influence polymer weld strength and durability
- Overview of ten common polymer welding techniques, including advantages, limitations, and ideal applications
This session is a great primer for our in-depth, customizable paid course, which offers 6 PDUs and can be tailored to your organization’s specific needs.
If you have questions after viewing the presentation or wish to explore polymer welding training options for your team, contact Dr. Marcus at [email protected].
To learn more about EWI’s polymer joining capabilities, visit ewi.org/capabilities/welding-joining/welding-joining-processes/plastics-joining.