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The glass transition, Tg, is the temperature at which cured epoxies go from being rigid and glassy to being rubbery and more flexible.  Most of us think of cured epoxies as being pretty hard (Shore D) materials; and they are, due to the crosslinked nature of their molecules.  But if you heat them up, the molecular bonds relax a bit, become a little more flexible, and while the epoxy is still crosslinked, any given epoxy becomes softer and more rubbery at higher temperatures.

 

READ THE BLOG: The Glass Transition in Epoxies

 

Additional resources from the FOC team include:

 

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Kathleen Skelton

About Kathleen Skelton

Kathleen Skelton, as FOC's Director of Strategic Marketing, utilizes her expertise in business development, online strategy, market planning, digital best practices, standard operating procedure development, and content management. A graduate of Curry College, she holds degrees in Communications and Education, English and Psychology. Kathleen resides outside of Boston, MA with her husband and four children. Follow @KATHLEENSKELTON