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


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#1 Cate Donoghue

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Posted 31 December 2011 - 01:58 PM

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

#2 bciskepottery

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Posted 31 December 2011 - 10:32 PM

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.

#3 Benhim

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Posted 01 January 2012 - 05:49 AM

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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#4 Pres

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Posted 01 January 2012 - 01:11 PM

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.

Simply retired teacher, not dead, living the dream. on and on and. . . . on. . . .                                                                                 http://picworkspottery.blogspot.com/


#5 Cate Donoghue

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Posted 03 January 2012 - 02:39 PM

Thanks all! I have decided that I will refrain from selling ovenware, but I might try to play with stuff for myself, just for the sake of fun.

Cate







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