Dec 20th, '11, 06:08
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Yixing Shrinkage

by auhckw » Dec 20th, '11, 06:08

These 3 teapots (new teapots made y2011) are made using the same mold.
Image
Zhuni: 170ml
Huang Jin Duan (Duanni): 210ml
Di Cao Qing (Zini): 220ml

Image
Zhuni: 170ml vs Di Cao Qing: 220ml

These 2 teapots (new teapots made y2010) are made using the same mold.
Image
Di Cao Qing: 230ml vs Zhuni 180ml

I measured the teapots using baby bottle, so the capacity should be quite accurate. The ratio of shrinkage of zhuni vs di cao qing is the same for the 2 teapots.
Last edited by auhckw on Dec 20th, '11, 07:40, edited 1 time in total.

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Dec 20th, '11, 06:37
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Re: Yixing Shrinkage

by Drax » Dec 20th, '11, 06:37

Very neat, thanks for sharing! Nico posted some similar pictures awhile back with a similar comparison.

So... any ideas if 'old' zhuni shrunk as much as this modern type? I vaguely recall the answer is yes, but it's always nice to refresh one's memory :D

Dec 20th, '11, 07:38
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Re: Yixing Shrinkage

by auhckw » Dec 20th, '11, 07:38

Drax wrote:Very neat, thanks for sharing! Nico posted some similar pictures awhile back with a similar comparison.

So... any ideas if 'old' zhuni shrunk as much as this modern type? I vaguely recall the answer is yes, but it's always nice to refresh one's memory :D
I haven come across 'old' zhuni with same mold using other clay. So shrink ratio unknown to me. Maybe others have experienced it, can share...

Dec 20th, '11, 07:39
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Re: Yixing Shrinkage

by auhckw » Dec 20th, '11, 07:39

These 3 teapots (new teapots made y2011) are made using the same mold.
Image
Huang Jin Duan (Duanni): 140ml
Di Cao Qing (Zini): 140ml
Qing Hui Ni (Zini): 150ml

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Dec 20th, '11, 16:32
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Re: Yixing Shrinkage

by tenuki » Dec 20th, '11, 16:32

I hear shrinkage comes from exposure to cold water. Keep your pots away from cold water and they should be fine. :twisted:

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Re: Yixing Shrinkage

by bagua7 » Dec 20th, '11, 22:59

auhckw wrote:These 2 teapots (new teapots made y2010) are made using the same mold.
Image
Di Cao Qing: 230ml vs Zhuni 180ml
Thanks for the info. One question: I have a zhu ni pot like the one shown and I was told the Chinese name for it, but I forgot, maybe it was something like "lian..." Do you know it?

Also, the duan ni pot on top, is it really that white in real life, or more towards the green shade?

Cheers.

Dec 21st, '11, 07:58
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Re: Yixing Shrinkage

by auhckw » Dec 21st, '11, 07:58

bagua7 wrote: Thanks for the info. One question: I have a zhu ni pot like the one shown and I was told the Chinese name for it, but I forgot, maybe it was something like "lian..." Do you know it?

Also, the duan ni pot on top, is it really that white in real life, or more towards the green shade?

Cheers.
If are are referring to the round shape, I think it is:
掇只壶
duó zhī hú

No, the Huang Jin Duan (duanni) on the top is quite light yellow. They have used the same clay last year but lower fired and it was more yellowish. High fired made it whiter. They said the problem with duanni lower fired is that after some time of usage there may be permanent patches appearing from the pot, but high fired should prevent it.

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