 The Harpy of Hogwarts | Dungeon Mistress | Bimba di Serpeverde
Chiara had managed to alianate her coworker. No matter, she'd smile through it. "Oh, Pyrex is a brand name for glassware, introduced by the Corning company. Originally, "Pyrex" was made from thermal shock resistant borosilicate glass." She took her potion stirrer and cleaned it with a clean cloth.
"Since 1998, Pyrex branded kitchen glassware has been made of soda-lime glass. However, Pyrex brand laboratory glassware is still made of borosilicate glass. I would think this could be used to make cauldrons." She smiled as she stirred the ingredients the required 12 times. "Regular glass, as you know, cannot be heated."
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