Cookware

Why is glass often used to make cookware?

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2009-02-21 23:43:28
2009-02-21 23:43:28

Glass is good because it can be formulated to withstand extreme fluctuations in temperature. For example, Pyrex ads used to show their casserole dishes going directly from the freezer to a 400 degree oven. Glass allows for even and efficient heat transfer while at the same time retaining very little heat itself. It can be made transparent so it's easier to check on your dish while it's baking. Glass is very easy to clean and doesn't easily scratch or discolor. It's non-reactive, so unlike copper or aluminum, it won't interact with acidic foods like lemon juice. **I would agree with all of the above except the part about "efficient" heat transfer. Glass is a poor conductor of heat. That's why they call it an "insulator" instead of a "conductor." I would also add that a lot of stove top pans that are made of glass (as opposed to bakeware) are made that way with the intended purpose of looking pretty. My advice would be not to use glass for top-of-stove uses. Stick with bakeware.

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