[Clayart] Clayart Digest, Vol 30, Issue 10

[Alice DeLisle]

Highwater has had some dunting issues with their cone 10 clays over the last few years. I don’t know if that is still a problem or not.

Alice

Alice DeLisle

wanderland at att.net
http://www.flickr.com/photos/alice_delisle/
https://www.facebook.com/IslandTexturesAliceDeLisle


> On May 8, 2018, at 12:00 PM, clayart-request at lists.clayartworld.com wrote:
> 
> Message: 2
> Date: Tue, 8 May 2018 08:53:24 -0500
> From: "Pfeiffer Fire Arts" <firearts at ardmore.net <mailto:firearts at ardmore.net>>
> To: "'Clayart international pottery discussion forum'"
> 	<clayart at lists.clayartworld.com <mailto:clayart at lists.clayartworld.com>>
> Subject: Re: [Clayart] glaze pops
> Message-ID: <005d01d3e6d3$ef699b80$ce3cd280$@net>
> Content-Type: text/plain;	charset="UTF-8"
> 
> Glaze pops is what they look like but should be called blisters and pin holes. Looks like a bubble that pops and does not heal. We have been moving into a new batch of clay over the last year and it could in part be a clay problem but we do not see the same thing on our copper red firing. As the red is very fluid and our ox base is very stiff we then to think it a glaze problem.
> We don't use plaster so that should not be the problem. 
> 
> The clay does have a lot of grog in it and most of the problems do seem to be in the trimmed part of the ware but not always. I do take care to go over the trim parts with thawing slip to remove scratches and get a smooth surface. 
> 
> We have been thinking of changing clay but that is always a big deal and I am not sure what to replace the current one with.
> We are using a white ovenware ^10 clay (high-water phoenix ). Any other suggestion on a good ovenware clay? 
> 
> Dan & Laurel

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