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- Clay and Glaze Technical (4 posts)
- 19-September 12
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- Apr 15 2013 07:23 AM
Posts I've Made
Posted 20 Sep 2012Wow! Ancient Jasper glaze has really started some interesting comments. And to think I started it!!. I salute Steve @ Amaco for the info stuffed response about this glaze and I learned tons from the other members of this happy clay club about firing etc. I love the look of this glaze and will continue to test it based on advise from all above. However, I'm still concerned about firing so hot so quickly. Am I not endangering the remaining ware in the kiln with such a speedy method?
Posted 19 Sep 2012Hi Chris
By heavy handed, I mean my ware is thick. And I misquoted my firing. It's not bisque, but the glaze firing. I usually fire about 11 hours. Haven't used cones, but depend on the kilns digital system. My greenware firing is about 8 hours. Isn't a 6 to 8 hour firing for a glaze batch cause for messing up the whole kiln load because it's so short a time?
Posted 19 Sep 2012Asunta -
What do you mean by 'heavy handed using a stoneware body'?
I wonder because a six to eight hour bisque firing sounds about right.
Kiln heat work is the combination of time and temperature. Your longer firings could mean you have been reaching a higher cone temp than you realize. Do you use witness cones to check on what is happening in your bisque firings??
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