tag:blogger.com,1999:blog-3580639918656230427.post9002084907632746491..comments2024-03-22T17:41:17.625+13:00Comments on Peter's Pottery: Pottery glazes; shino, and chun, what are they?Peterhttp://www.blogger.com/profile/03078608554226394069noreply@blogger.comBlogger8125tag:blogger.com,1999:blog-3580639918656230427.post-19596957253530009802018-04-28T15:13:16.612+12:002018-04-28T15:13:16.612+12:00Hi Anne,
SW England is a lovely part of the UK. I...Hi Anne,<br /><br />SW England is a lovely part of the UK. I have an Aunt in Tintagel, and I have happy memories of a family holiday to Charmouth when I was very young. I do hope you have success with your glazing experiments, it is a very special thing to use materials from your own area. You are most welcome to get in touch again and ask any questions. <br /><br />Best Wishes,<br /><br />PeterPeterhttps://www.blogger.com/profile/03078608554226394069noreply@blogger.comtag:blogger.com,1999:blog-3580639918656230427.post-49513952182183031592018-04-27T23:59:38.806+12:002018-04-27T23:59:38.806+12:00Hi Peter,
How exciting!
Thank you very much for yo...Hi Peter,<br />How exciting!<br />Thank you very much for your advice - I haven't found anyone who has the knowledge and understanding that you have of using locally sourced natural materials. I can't wait to experiment with your suggestions and produce pots which truly embody the beautiful environment here in southwest England.<br />Thank you so much,<br />Anne<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3580639918656230427.post-72534075864101918462018-04-27T21:31:22.167+12:002018-04-27T21:31:22.167+12:00Hi Anne,
Thank you for your encouragement!
Mud a...Hi Anne,<br />Thank you for your encouragement! <br /><br />Mud and ash from drift wood would make a very good combination. Be careful when working with wood ash, it is a very caustic material and can burn your hands. It is a good idea to wear rubber gloves when working with it, and a mask if working with wood ash as a dry powder. Wood ash should be sieved through a very course sieve to remove lumps of charcoal and other impurities, then progressively through finer sieves until 60 mesh is reached (I have sometimes used 40 mesh). Wood ash can be used unwashed or washed. Washing wood ash removes soluble fluxes from it and makes the made up glaze easier to store. Some potters prefer to keep the soluble fluxes in the ash, so don't wash it, but these glazes should really be used right away.<br /><br />You can almost certainly make a glaze that is purely from your estuarine mud and wood ash. <br /><br />I would start by weighing equal measures of dry ash and dry mud. Combine the mud and ash with water to make a glaze, make sure this is well sieved. Then apply the glaze to a test tile or small bowl. You may get something like that to work as low as Cone 6, but it is more likely to be successful if you fire between cone 7 and cone 10. <br /><br />Another worthwhile approach would be to add some feldspar. As a starting point you could try equal thirds of feldspar, wood ash and estuarine mud. If you have a quarry nearby it may be worth investigating to see if you can obtain some quarry dust. We live fairly near a basalt quarry, and I did some interesting experiments years ago with basalt dust in glazes. The basalt could be used instead of feldspar in a simple glaze recipe.<br /><br />Phil Rogers wrote a really good book called "Ash Glazes", this would be a very helpful and inspirational one for you. It has lots of practical information about preparing ash glazes, and some lovely examples of pots. I see that it is still available on Amazon.com for less than $40. <br /><br />Best Wishes,<br /><br />PeterPeterhttps://www.blogger.com/profile/03078608554226394069noreply@blogger.comtag:blogger.com,1999:blog-3580639918656230427.post-17326879189425673742018-04-27T19:38:20.041+12:002018-04-27T19:38:20.041+12:00Hi Peter,
I love your pots and I'm particularl...Hi Peter,<br />I love your pots and I'm particularly interested in your use of estuarine mud and also wood ash in your glazes.<br /><br />I live by a very muddy estuary and I would love to use the mud and ash from drift wood in my glazes - please can you give me an idea of the proportions? <br /><br />Many thanks for sharing your expertise!<br />AnneAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-3580639918656230427.post-82690751383445010892014-05-29T07:15:43.900+12:002014-05-29T07:15:43.900+12:00Hi Kilian,
Good to hear from you. Electric kilns a...Hi Kilian,<br />Good to hear from you. Electric kilns are not suitable for shino. Shino glazes need a kiln that is capable of a reduction atmosphere, and electric kilns are not normally good for that! Probably the very best shino glazes would come from a wood fired kiln, but gas firers might think otherwise!! If you only have access to an electric kiln, than you should explore glazes that are more suited to it, these are glazes that are designed to fire in oxidation. There is a great deal of good information on the web about cone 6 glazes as this is a popular temperature and many potters are firing with electric kilns. It is worth looking at www.digitalfire.com for lots of technical help.<br />Regarding Shino and food safety. I would think that most shino recipes that I have seen would be food safe. Some may not be the easiest to keep clean as some crawl or craze, but if that is not a concern, than they should be fine.Peterhttps://www.blogger.com/profile/03078608554226394069noreply@blogger.comtag:blogger.com,1999:blog-3580639918656230427.post-67981208318218504212014-05-29T06:27:24.756+12:002014-05-29T06:27:24.756+12:00Hello Peter,
I am trying to get started in Shino g...Hello Peter,<br />I am trying to get started in Shino glaze. Is Shino glazes food safe? I work with an electric kiln. Read that electric isn't good for shino. I fire at a cone 6 which is 39.44 degrees Centigrade lower than the melting point of feldspar. What should I do?<br /><br />Thanks,<br />KilianAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-3580639918656230427.post-27040370922774143002013-03-15T08:06:18.339+13:002013-03-15T08:06:18.339+13:00Hi Ren,
Thank you for your comment, it is nice to...Hi Ren,<br /><br />Thank you for your comment, it is nice to hear from you, and I am glad that you find the information helpful. I do hope that the chun glaze works for you, it can be a most beautiful glaze. Do keep in touch.<br />Best Wishes, P.Peterhttps://www.blogger.com/profile/03078608554226394069noreply@blogger.comtag:blogger.com,1999:blog-3580639918656230427.post-79064584192527856672013-03-15T03:53:43.708+13:002013-03-15T03:53:43.708+13:00Thank you for sharing your experiances, i'm a ...Thank you for sharing your experiances, i'm a new potter and find your info great, glazing is something i have a lot to learn, chun glaze looks fun, i will give it a go, thank you once again<br /><br />Rennoreply@blogger.com