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Cate Donoghue

Is cone 5 b-mix suitable for oven safe ware?

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I am trying to make some casseroles that will be over safe. Is B-Mix a good choice for a mid-fire casserole? Will I have to give instructions to make sure the casserole is not placed in a pre-heated oven? I looked through the old posts but couldn't find what the options are here.

 

Thanks all!

 

Cate

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bciskepottery    925

You'll want to make sure your clay -- B Mix 5 or other -- is fired to vitrification. Uniform thickness in floor and sides are key. And, yes to instructions -- preferably written if you are selling the casseroles.

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Benhim    3

It wouldn't be my choice of clay body for oven ware. The clay supplier I use has at least one suitable body that's made specifically for production oven ware. If I were to make casseroles I'd use that body. Don't use anything that's listed as cone 6 - 10. I've found several suppliers selling cone 10 clay's and listing them as 6 - 10. Well they aren't vitrified at cone 6 and can explode if they're put in a hot oven if the clay is full of water.

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Pres    896

It wouldn't be my choice of clay body for oven ware. The clay supplier I use has at least one suitable body that's made specifically for production oven ware. If I were to make casseroles I'd use that body. Don't use anything that's listed as cone 6 - 10. I've found several suppliers selling cone 10 clay's and listing them as 6 - 10. Well they aren't vitrified at cone 6 and can explode if they're put in a hot oven if the clay is full of water.

 

 

I have also noticed the trend towards wider firing ranges of stoneware clays, but always to purchase my clays with a tight range as I know that with proper firing I will have a vitrified body. Those bodies that have wide ranges do not fare well in the modern environments that we have:dishwashers, microwaves and frig. Over the years I have had problems with ware that was made with wider range clays that did not hold up to use and abuse. Learned my lesson early.

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