jboalick@RADFORD.EDU on tue 31 oct 00
I was talking with another art teacher today who has been teaching for over 30
years. She was telling me about microscopic worms that used to be in vinegar
before it was pasturized. Anyways she thought that it helped somehow join the
bone dry pieces of clay together with the vinegar and slip because of those
worms. Now she doesn't have a clue about why you mix vinegar with slip to attach
broken pieces of bone dry clay together and neither do I. So here it is WHY DO
YOU PUT VINEGAR WITH SLIP TO BOND BONE DRY PIECES OF CLAY TOGETER? Is there some
chemical thing going on here? My current teacher says to also add cornsyrup to it
too. If you know why this works better than plain old slip and water please let
me know.
Sincerely, John Boalick
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Donald G. Goldsobel on wed 1 nov 00
To join hand buit pieces, handles and lid knbs, I use straight vinegar. For
tough jobs, I use spooze a la Mel Jacobsen. It is slip vinegar and corn
syrup. The mixture is top notch. The next best method I saw demonstrated by
Lana Wilson which is papaerclay mixed with her magic water which contains
soda ash, sodium silicate and water.
The vinegar's reaction with the clay causes it to make slip. I suppose the
clay particles dissociate and get suspended in the available moisture. Far
superior to plain water.
Maybe some one should use Lana's method and add vinegar and cornsyrup.
Donald in the SAn Fernando VAlley
At 07:51 PM 10/31/2000 -0500, you wrote:
>I was talking with another art teacher today who has been teaching for
over 30
>years. She was telling me about microscopic worms that used to be in vinegar
>before it was pasturized. Anyways she thought that it helped somehow join the
>bone dry pieces of clay together with the vinegar and slip because of those
>worms. Now she doesn't have a clue about why you mix vinegar with slip to
attach
>broken pieces of bone dry clay together and neither do I. So here it is
WHY DO
>YOU PUT VINEGAR WITH SLIP TO BOND BONE DRY PIECES OF CLAY TOGETER? Is
there some
>chemical thing going on here? My current teacher says to also add
cornsyrup to it
>too. If you know why this works better than plain old slip and water
please let
>me know.
> Sincerely, John Boalick
>
>
>-----------------------------------------------------
>This mail sent through http://webmail.radford.edu
>
>___________________________________________________________________________
___
>Send postings to clayart@lsv.ceramics.org
>
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melpots@pclink.com.
>
Steve Mills on thu 2 nov 00
At risk of a metaphorical thick ear, "because it works"!
Steve
Bath
UK
In message , jboalick@RADFORD.EDU writes
>I was talking with another art teacher today who has been teaching for ov=
>er 30
>years. She was telling me about microscopic worms that used to be in vine=
>gar
>before it was pasturized. Anyways she thought that it helped somehow join=
> the
>bone dry pieces of clay together with the vinegar and slip because of tho=
>se
>worms. Now she doesn't have a clue about why you mix vinegar with slip to=
> attach
>broken pieces of bone dry clay together and neither do I. So here it is W=
>HY DO
>YOU PUT VINEGAR WITH SLIP TO BOND BONE DRY PIECES OF CLAY TOGETER? Is the=
>re some
>chemical thing going on here? My current teacher says to also add cornsyr=
>up to it
>too. If you know why this works better than plain old slip and water plea=
>se let
>me know.
> Sincerely, John Boalick
>
>
>-----------------------------------------------------
>This mail sent through http://webmail.radford.edu
>
--
Steve Mills
Bath
UK
PERRY STEARNS on thu 2 nov 00
I vote for Lana Wilson's magic water 'cause 1.) it works , 2) it has no odor
however old it is, 3) it keeps for years in usable form when the bulk of
what's made is kept in the refrigerator and covered. Fran Stearns
Tom Wirt/Betsy Price on fri 10 nov 00
Subject: Re: why the vinegar?
> To join hand buit pieces, handles and lid knbs, I use straight
vinegar. For
> tough jobs, I use spooze a la Mel Jacobsen. It is slip vinegar and
corn
> syrup. The mixture is top notch.
> The vinegar's reaction with the clay causes it to make slip. I
suppose the
> clay particles dissociate and get suspended in the available
moisture. Far
> superior to plain water.
>
Donald....the vinegar is not disassociating the clay particles, but
rather flocculating (associating) them. Bases (alkalis) deflocculate,
acids flocculate. I suspect this is why vinegar works as a
joiner...it makes the clay particles attract each other electrically.
Tom Wirt
Cyberpotter@AOL.COM on sat 11 nov 00
Forgive me if this has been explained before, but why the SUGAR? This
questions has been burning in my brain ever since Mel's wonderful workshop in
Columbus today ... where I should have asked it ...
;-)
Nancy in Cincinnati
jboalick@RUNET.EDU on sun 12 nov 00
Someone told me "because it works." I guess that explains it all in a very basic
but truthful way. -Jboalick
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Cyberpotter@AOL.COM on sun 12 nov 00
In a message dated 11/12/00 7:39:05 PM Eastern Standard Time,
jboalick@RUNET.EDU writes:
<< Someone told me "because it works." I guess that explains it all in a very
basic
but truthful way. -Jboalick
>>
That's exactly what I thought Mel would probably say if I asked him "why the
sugar"?
;-)
Nancy in Cincinnati, just back from Empty Bowls
Ababi Sharon on mon 13 nov 00
Am I in the middle? Are you talking about spooze?
Vinegar melts the clay, sugar, is a temporary glue, and clay is clay. I made
it wrong, it glues so fast that I did not think to add soft clay around the
attachments, and lost some (nice?) works. If it is spoos, can you tell me
why the piece got white spots like it was painted in a lighter color of the
clay?
Ababi Sharon
sharon@shoval.org.il
http://www.milkywayceramics.com/cgallery/asharon.htm
http://www.israelceramics.org/index.html
www.photoisland.com
ID: sharon@shoval.org.il
Password:clay
----- Original Message -----
From:
To:
Sent: Monday, November 13, 2000 3:44 AM
Subject: Re: why the vinegar?
> In a message dated 11/12/00 7:39:05 PM Eastern Standard Time,
> jboalick@RUNET.EDU writes:
>
> << Someone told me "because it works." I guess that explains it all in a
very
> basic
> but truthful way. -Jboalick
> >>
>
> That's exactly what I thought Mel would probably say if I asked him "why
the
> sugar"?
>
> ;-)
>
> Nancy in Cincinnati, just back from Empty Bowls
>
>
____________________________________________________________________________
__
> Send postings to clayart@lsv.ceramics.org
>
> You may look at the archives for the list or change your subscription
> settings from http://www.ceramics.org/clayart/
>
> Moderator of the list is Mel Jacobson who may be reached at
melpots@pclink.com.
>
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