Unexpected Moments with Pyrex: When It's Not What You Assume
Pyrex, a brand of borosilicate glassware, has been a staple in both laboratories and kitchens since its inception in the early 20th century. Originally produced by Corning, Pyrex has been used for various applications, including industrial and laboratory uses, as well as kitchenware.
However, a recent youtube video has shed light on a lesser-known fact: not all Pyrex is the same. The video discusses the properties of both soda glass and borosilicate glass Pyrex, particularly in terms of thermal shock resistance.
The video highlights that older PYREX dishes are more likely to be made of borosilicate glass, which can handle extreme thermal shock. On the other hand, modern-day American Pyrex for the kitchen is a soda glass. This switch in formulation occurred before the brand switch, with Pyrex being branded in lower case as pyrex in America, while European Pyrex retains the uppercase PYREX.
The video encourages those who frequently experiment with their glassware to consider seeking out older, more durable PYREX dishes for their durability. The special properties of Pyrex are attributed to its borosilicate composition, which provides superior resistance to thermal shock compared to soda glass.
For those who frequently push the limits of their glassware in experiments, the website may offer advice on selecting older, more durable Pyrex dishes. In Europe, Kavalier Glass from the Czech Republic is a leading manufacturer of borosilicate glass, which includes high-quality glassware similar to original Pyrex borosilicate glass.
However, it's important to note that the video does not provide a quick way to definitively tell whether a piece of lower-case pyrex is soda glass or not. The video suggests that older PYREX dishes are less common in the kitchen compared to modern soda glass Pyrex.
Despite this, most users in the kitchen are unlikely to subject their Pyrex to extreme thermal shock that could break the soda version. The video takes a look at the differences between various Pyrex products, providing valuable insights for those who want to make informed choices about their glassware.
The website also provides information about various types of glass, including Pyrex, offering a comprehensive resource for those interested in learning more about the differences between soda glass and borosilicate glass Pyrex.
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