The later models from pyrex were made from tempered glass, which is less heat-resistant but safer because boron is said to be toxic. According to the website for "pyrex," their measuring cups are ...
If you have purchased a Pyrex measuring cup on Amazon.com since 2021 ... Pyrex is a brand of temperature-resistant glass that originated in Corning, N.Y. It first launched in 1915, according ...
Pyrex is a time-tested kitchen icon, trusted by generations of bakers and home cooks. My mom gave me her wedding registry ...