Inge Nielsen

David
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Re: Inge Nielsen

Message par David » 27 Octobre 2016, 12:35

Welcome!

The question I always want to ask a potter is about the selection of the clay used to make teaware. The interaction between rough clay and tea is so important and it's nearly impossible to have this kind of info when one buys a teapot on internet or in a shop.

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Re: Inge Nielsen

Message par JMB » 27 Octobre 2016, 12:42

Welcome
Chef de produit thé nature chez Lippetonne and cie

Inge
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Re: Inge Nielsen

Message par Inge » 27 Octobre 2016, 15:08

Thanks for the welcome, everyone!

David, your question is also my concern. Unfortunately, those of us who are not hobby geologists are limited to the commercially available clays. When I returned from Taiwan I really wanted to find a clay that would feel, look and "taste" like the one we used in Taiwan. I still haven't found it. Part of the reason is that the iron rich clays often don't look their best in a neutral (oxidised) atmosphere. To get that tanned dark look in oxidation you need a high natural iron content, but iron weakens the body and hence you cannot fire to medium or high stoneware temperature. Many red and dark clays have max temp of 1150-1200 degrees. Those that fire higher will normally have toxic oxides added - chrome, manganese and cobalt. You don't want that in your cup!

What I have found works for the moment for me is to take a local iron rich clay from Wallonia (about 5%, max 1250 degrees) and blend it with a lower iron clay that can fire to 1280. That way I have a strong body with a manila-ish tan. Grog content is about 10%, small to medium grains. This seems to work for most wulongs and pu'er, though I should quickly add that I am not a pu'er drinker (but I have had testimonies from some initiated to the joy of pu'er ;) ).

It is an ongoing quest, though, to find a good clay.

What's your experience with different clays for tea drinking purposes?

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Re: Inge Nielsen

Message par Kissaki » 27 Octobre 2016, 15:56

Welcome Inge!




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Re: Inge Nielsen

Message par Étienne » 27 Octobre 2016, 19:15

Inge a écrit :Thanks for the welcome, everyone!

David, your question is also my concern. Unfortunately, those of us who are not hobby geologists are limited to the commercially available clays. When I returned from Taiwan I really wanted to find a clay that would feel, look and "taste" like the one we used in Taiwan. I still haven't found it. Part of the reason is that the iron rich clays often don't look their best in a neutral (oxidised) atmosphere. To get that tanned dark look in oxidation you need a high natural iron content, but iron weakens the body and hence you cannot fire to medium or high stoneware temperature. Many red and dark clays have max temp of 1150-1200 degrees. Those that fire higher will normally have toxic oxides added - chrome, manganese and cobalt. You don't want that in your cup!

What I have found works for the moment for me is to take a local iron rich clay from Wallonia (about 5%, max 1250 degrees) and blend it with a lower iron clay that can fire to 1280. That way I have a strong body with a manila-ish tan. Grog content is about 10%, small to medium grains. This seems to work for most wulongs and pu'er, though I should quickly add that I am not a pu'er drinker (but I have had testimonies from some initiated to the joy of pu'er ;) ).

It is an ongoing quest, though, to find a good clay.

What's your experience with different clays for tea drinking purposes?

Thanks a lot for these precious info! It's already much, much more than anything we can usualy find.

Irène
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Re: Inge Nielsen

Message par Irène » 27 Octobre 2016, 20:29

Welcome Inge :D !

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Re: Inge Nielsen

Message par Jérôme » 27 Octobre 2016, 22:41

Bonjour Inge. Welcome to the FAT and happy to see you there!

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Re: Inge Nielsen

Message par Lionel » 28 Octobre 2016, 09:45

Welcome Inge ! :)
Nice to read you here.
le vide, c'est la base

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Re: Inge Nielsen

Message par Sébastien » 28 Octobre 2016, 09:53

Bienvenue !
Matcha ga mainichi, ishya wa tôku ni
抹茶が毎日、医者は遠くに

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Re: Inge Nielsen

Message par David » 28 Octobre 2016, 09:57

Thanks. As Étienne said, it's already much more than anyone could find on the internet. This shows that you care and you search which is more than the majority of potters available via standard shops.

Inge a écrit :What's your experience with different clays for tea drinking purposes?


I for myself love porcelain, I'm more hunting for the right leaves rather than the right clay. But good quality porcelain is also very important.

I do use clay for Japanese teas, teenage to old puerh and roasted oolong. For Japanese teas, I love to use both oxidation and reduction clays (mostly Tokoname from Yamada So), and I tend to prefer zini-like clays for puerh and roasted oolong. I really don't use clay often for green oolong but when I do, I prefer harder red clays.

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Re: Inge Nielsen

Message par Inge » 28 Octobre 2016, 18:03

David a écrit :Thanks. As Étienne said, it's already much more than anyone could find on the internet. This shows that you care and you search which is more than the majority of potters available via standard shops.



Etienne a écrit :Thanks a lot for these precious info! It's already much, much more than anything we can usualy find.


Hello everyone
You're most welcome. I am not at all an expert (more of a novice), but I am happy to share what little I know.

Inge

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Re: Inge Nielsen

Message par Niva » 30 Octobre 2016, 17:55

Hi Inge, welcome here :coucou:
Proverbe touareg :
"Le premier verre de thé est amer comme la vie.
Le deuxième est aussi doux que l’amour.
Le troisième est aussi apaisant que la mort."

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Re: Inge Nielsen

Message par Inge » 01 Novembre 2016, 09:33

I just got the results of the 6th International Golden Teapot competition and exhibition in Yingge, Taiwan. No surprises for me, but was TRULY GREAT to participate! Here is a shot of one of my two admitted pots sitting among the many gems submitted. The exhibition lasts till mid-December. The Taiwanese magazine 陶艺 will carry a full photo report of the awards - I am really looking forward to seeing that.

Also attached FYI, a list of the awarded artists.
IMG_20161101_073607.jpg
2016-第六屆金壺獎得獎名單-1-01.jpg
2016-第六屆金壺獎得獎名單-2-02.jpg

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Re: Inge Nielsen

Message par Kissaki » 01 Novembre 2016, 09:56

:thup:




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Re: Inge Nielsen

Message par Lionel » 01 Novembre 2016, 10:36

Congratulations Inge !
le vide, c'est la base

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