pyrex

     

Pyrex is a bran name for glassware, introduced by Corning Incorporated in 1915. Originally, Pyrex was made from thermal shock resistant borosilicate glass. In 1998, Corning sold its consumer products division which subsequently adopted the name World Kitchen. Pyrex kitchen glassware is made of tempered glass . Pyrex laboratory glassware is made of borosilicate glass .

Trivia about pyrex

  • Borosilicate glass known by this trademarked name is less apt to break during rapid temperature changes
  • This Corning glass used for cooking was cast to make the 200-inch telescope lens for Mount Palomar