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Also asked, what is Duralex made of?

Duralex is a French tempered glass tableware and kitchenware manufacturer located in La Chapelle-Saint-Mesmin in Loiret. Using a technique developed in the 1930s by Saint-Gobain, molded glass is heated to 600 degrees Celsius, then cooled very quickly, giving it an impact resistance twice superior to normal glass.

Also Know, is Duralex lead and cadmium free? Duralex tableware & glassware are lead and cadmium free.

Also, can a tempered glass bowl go in the oven?

Generally, glass is oven-safe if taken from room temperature and put in a moderate-temperature, preheated oven. The key thing is to avoid temperature shocks (which will cause the glass to shatter). Some glass is specifically designed for oven use (either by being tempered or made of borosilicate glass).

Where is Duralex made?

Duralex glassware has been around for more than 80 years. It's also the only glass manufacturing company that makes ALL of their glassware in France. Located in La-Chapelle-Saint-Mesmin near Orleans, France, Duralex is famous for producing strong, clear, durable and aesthetic glassware used throughout Europe.