May 4th 17 6:04 pm
Posts: 23
Joined: Dec 27th 15 6:23 am

Lead glazes - is this a problem?

by sugataishi » May 4th 17 6:04 pm

Hi
Lead glazes puzzle me a lot. I know that lead has been used as a flux in raku pottery. Recently I have acquired a sansai teabowl by Seigan Yamane and have read that sansai is also lead glaze.

Once browsing tea pages I have come over a raku teabowl that was described as lead free.

I have heard that high firing temparature makes lead glazes safe.

That do you know about the problem? Please share...

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Sep 25th 17 3:48 pm
Adagio
Posts: 0
Joined: Sep 14th 17 11:37 am

Re: Lead glazes - is this a problem?

by Steve@Adagio » Sep 25th 17 3:48 pm

sugataishi wrote: Hi
Lead glazes puzzle me a lot. I know that lead has been used as a flux in raku pottery. Recently I have acquired a sansai teabowl by Seigan Yamane and have read that sansai is also lead glaze.

Once browsing tea pages I have come over a raku teabowl that was described as lead free.

I have heard that high firing temparature makes lead glazes safe.

That do you know about the problem? Please share...
Please see the following link for more information regarding this topic:

http://www.bigceramicstore.com/info/cer ... afety.html

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Sep 25th 17 11:36 pm
Posts: 700
Joined: Apr 27th 09 6:20 am
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Re: Lead glazes - is this a problem?

by Mrs. Chip » Sep 25th 17 11:36 pm

Hi, here on TeaChat forum if you type in search "lead glazes", 107 matches came up. These are by forum members and very knowledgeable TeaWare artisans, who know their stuff when it comes to glazes. Check it out :D