86th Glass Problems Conference and Symposium
October 6-9, 2025, Toledo, Ohio, USA
We are happy to return to the “Glass City” of Toledo for our 86th GPC. Last year’s conference drew over 500 attendees, and we expect another large crowd this year. Registration is now open, so be sure to register early for the best prices and hotel availability.
2025 Conference Highlights
- Six education tracks, including melting, refractory, decarbonization, and a special AFPG track on machine learning
- Scores of daytime exhibitors and evening hospitality hosts to network with
- 500 colleagues to connect and collaborate with
- Multiple short course options before GPC
- GMIC/GlassTrend Global Glass Recycling Symposium
Special Thanks to these High-Level Conference Sponsors



The Glass Problems Conference is organized by the Glass Manufacturing Industry Council and Alfred University and endorsed by the American Ceramic Society.




