That makes PYREX cookware safer than pyrex cookware, which runs a higher risk of exploding due to thermal shock—when the glass goes through an extreme temperature change that can cause it to ...

Pyrex made its dazzling debut in American kitchens over a century ago. Introduced in 1915 by Corning Glass Works, it started as a solution to a common problem: Exploding cookware, which sounds ...

Consumer Reports tested both kinds of glass in its lab to see how they compare in extreme conditions likely to cause breakage. The tests included new 13x9-inch bakeware from Pyrex and Anchor Hocking.

Although both Pyrex and Pyrex are advertised as cookware, Pyrex is a borosilicate glass, whereas Pyrex is a soda-lime glass product. However, the borosilicate variant is likely more resilient to heat ...

Fire King cookware pieces were originally made from borosilicate glass.By adding boric oxide to the normal silica sand, soda and ground lime mixture used to form glass, borosilicate glass was able ...

The original Pyrex cookware developed by Corning Inc. in the early 20th century used borosilicate glass, which is made from silica and boron oxide. Because of the chemical properties of ...

In contrast, the magazine reports that there are no reports in Europe of explosive cookware failure, a region where nearly all of the products sold are composed of the authentic borosilicate glass ...