Duralex Glassware

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Duralex glassware is made in France and includes drinking glasses, mixing bowls, storage containers, bakeware, dinnerware, and kids’ glassware. You can learn more about why I think glassware is the safest option in the kitchen in my blog post Lead Free Glassware Brands.  Use the IREAD discount code to get 10% off.  For more information on Duralex, read below.

More info

Duralex glassware is safe, which means it does not leach heavy metals such as lead, cadmium, arsenic, and aluminum.  Keep in mind that ceramic dinnerware has risks of leaching lead and cadmium, especially if they are of bright colors and were made before the 1970s.

Tamara Rubin of Lead Safe Mama has tested Duralex products, and she found them to be free of lead, cadmium, arsenic, and mercury (even brightly colored ones).

Tamara Rubin did find elevated barium levels in the bright yellow tumblers. Out of an abundance of caution, I recommend avoiding them. Keep in mind that Tamara Rubin doesn’t perform a leachable test. That means that even if she finds some amounts of heavy metals, we don’t know how much of the heavy metals leach. You can browse the Lead Safe Mama website for more details on her Duralex testing.

Duralex glass is made of a mixture of sand, soda ash, and limestone.  That is a typical glass called soda-lime glass.  In addition, Duralex uses technology to make the glass tempered.   That means that it is supposed to be 2.5 times stronger than non-tempered soda-lime glass. Duralex glass products can withstand temperature extremes from -4°F to 212°F and are suitable for hot or cold liquids.  Also, the OVENCHEF collection reinforced tempered glass is resistant to a thermal shock of 200°C/392°F.  Do not expose them to a sudden change of temperature of more than 130°C/392°F.  If broken by strong shock, Duralex shatters into small pieces, reducing the risk of injury.