The brand has reportedly used over 150 different glass compositions since its inception, so pinpointing the exact composition for a piece is nearly impossible. Pyrex's origins trace back to 1915 ...

China's aggressive export strategy hit the U.S. glass industry hard, especially the workers at the Pyrex glass plant in ...

Elaine Smith had to hear the Corning whistle one last time. Smith, 70, of Monessen retired in 2020 after a 45-year career at the Pyrex glass plant, which has been a staple in Charleroi for more than a ...