tag:blogger.com,1999:blog-6638497050839732163.post5044766563113442656..comments2023-11-15T22:25:18.188-05:00Comments on North Carolina Clay Club: Patsy's GreenAmy Wallerhttp://www.blogger.com/profile/04965597757961207665noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-6638497050839732163.post-54744778087092878742008-12-16T22:33:00.000-05:002008-12-16T22:33:00.000-05:00Michael,Helmar is a kaolin and I have not tested t...Michael,<BR/><BR/>Helmar is a kaolin and I have not tested the glaze for copper release, but would probably reduce the amount of coppper as it is in the oxide form which is about 1.4 times a strong as the carbonate form. 5% is usually the limit before it starts releasing a lot of copper. But I would test it before using it on functional surfaces. Of course, you know that from using Willie Hillux!?<BR/><BR/>John Britt<BR/>www.johnbrittpottery.com/wks.htmJohn Britthttps://www.blogger.com/profile/17496106721092541557noreply@blogger.comtag:blogger.com,1999:blog-6638497050839732163.post-77368077174518785872008-12-16T21:40:00.000-05:002008-12-16T21:40:00.000-05:00So it's a porcelain-white stoneware -light clay. H...So it's a porcelain-white stoneware -light clay. Have you used it inside a dish? I'll do some tests in my next kiln.klineolahttps://www.blogger.com/profile/10577525633756972853noreply@blogger.comtag:blogger.com,1999:blog-6638497050839732163.post-1706008434088033772008-12-16T21:10:00.000-05:002008-12-16T21:10:00.000-05:00Michael,Actually, it is on a Helmer Body I got fro...Michael,<BR/><BR/>Actually, it is on a Helmer Body I got from the Helmer Clay Co. in the mail.<BR/><BR/>John Britt<BR/>www.johnbrittpottery.com/wks.htmJohn Britthttps://www.blogger.com/profile/17496106721092541557noreply@blogger.comtag:blogger.com,1999:blog-6638497050839732163.post-68825805920928544152008-12-16T20:34:00.000-05:002008-12-16T20:34:00.000-05:00Is that on stoneware? Looks great.Is that on stoneware? Looks great.klineolahttps://www.blogger.com/profile/10577525633756972853noreply@blogger.com