So after learning about the potential risks of using Pyrex dishes at temperature higher than 450 degrees, I‘m curious whether there‘s a limit for ceramic dishes too? The recipe I‘m going to use calls for a temperature of 475 degrees. Is it safe?
To melt glass or earth ware you need extreme temperatures. (As you know, a thunderbolt strike in the sand results in a piece of glass.) What really matters is the gradual cooling of heating of the cooking vessel. If you know how to use a pyrex, you should have the same results with your ceramics. Just avoid shocking temperature changes. When you take it of the oven, use a wooden board to place in on, so a cool kitchen counter will have no negative effect on it.
Pyrex Ceramic Casserole Dish
I agree with the previous answerer in that the most important thing for avoiding cracking or exploding in those kinds of dishes is to avoid cool and/or wet surfaces when they are still quite hot. (Cracks can be caused by single hard bumps to one part of glass or ceramic dishes too.bumps can create microscopic cracks which grow over time). The issue with Pyrex has been the exploding dishes which can occur well after the dish is removed from the oven without any further touching, etc. Consumer Reports has looked into this after many people reported experiencing this, as have others. The bottom line is that the type of glass used for the newer Pyrex dishes is a different type than was used before (the kind used in labs) and isn't as strong, though it is cheaper. the manufacturers say it shouldn't matter, etc, but . . . Having said all that though, it still isn't a good idea to use glass or ceramic dishes in the oven where the heat will be really high right on the rims, etc (or underneath if placed on a flame or coil). So keep them in the middle of the oven, and at less than 425-450 F.or use a metal container. And until they cool, make sure not to place them on cool or wet surfaces (instead put on a dish towel, wood board or trivet, etc).
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