Is Pyrex safe to use in an oven?


Quick Answer

Pyrex is safe to use in the oven. Pyrex is a heat-tempered glass designed to withstand changes in temperature. The plastic lids of Pyrex containers and casserole dishes are not oven safe.

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Is Pyrex safe to use in an oven?
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Full Answer

Originally, Pyrex glass was designed to be used in railroad lanterns. The use of Pyrex as ovenware was accidental and borne out of one woman's immediate need for a casserole dish. She used a portion of broken battery jar to replace her dish, which resulted in the beginning of a new type of heat-resistant cookware that is still in use today. Today, Pyrex sells many different kinds of ovenware and kitchen products, including casserole dishes, food storage containers and measuring cups.

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