Edouard Bastarache Inc. on tue 16 jan 07
Eva,
yes, I should have used the word "flaws".
Causing flaws would be the right way to
say it.
If you want the original text, let me know,
Smart.Conseil, aka Denis Caraty scanned
it for me.
Edouard Bastarache
Le Français Volant
The Flying Frenchman
Sorel-Tracy
Quebec
www.sorel-tracy.qc.ca/~edouardb/Welcome.html
http://perso.wanadoo.fr/smart2000/index.htm
http://www.pshcanada.com/Toxicology.htm
www.thepottersshop.blogspot.com
http://www.ceramique.com/cerambooks/rayons/technologie.php
http://www.flickr.com/photos/30058682@N00/
----- Original Message -----
From: "Eva Gallagher"
To:
Sent: Wednesday, January 17, 2007 8:59 AM
Subject: Re: Sodium/Potassium Chloride in
glass/glazes
Hello Edouard,
You have left me in suspense - what comes after
the last partial sentence?
"They in addition have also some defects.... "-
does that mean they can
cause some problems?
Eva Gallagher
Deep River Potters' Guild
----- Original Message -----
From: "Edouard Bastarache Inc."
To:
Sent: Monday, January 15, 2007 10:05 AM
Subject: Sodium/Potassium Chloride in glass/glazes
> ED,
>
> Tu vas être content, j'ai trouvé de la
> littérature
> dans ma bibliothèque de "flying glazeman" sur la
> fusion du verre qui indique que les chlorures de
> sodium et de potassium sont des accélérateurs de
> fusion. Ils abaissent la température de fusion
> du
> carbonate de calcium, du carbonate de sodium
> entre
> autres, en créant des eutectiques, ce qui
> accélère
> la fusion de l'ensemble d'une composition qui
> contient ces matières. Les chlorures commencent
> à
> se décomposer à partir de 850°C et le sont
> définitivement à 1400°C, donc plus trace de
> chlore
> ensuite dans le produit final. Ils ont aussi
> quelques défauts par ailleurs, à voir...
>
> ED,
> You will be happy, I found some literature in my
> library of "flying glazeman" on the fusion of
> glass which indicates that the potassium and
> sodium chlorides are accelerators of fusion.
> They
> lower the melting point of calcium carbonate, of
> sodium carbonate inter alia, by creating
> eutectics, which accelerates the fusion of the
> whole of a composition which contains these
> materials. The chlorides start to decompose at
> 850°C and are definitively decomposed at
> 1400°C,
> therefore no more chlorine trace then in the end
> product. They in addition have also some
> defects,
> to see...
>
>
>
> Later,
>
>
> Denis Caraty
> Tel : 33 (0)2 38 05 21 22
> Fax : 33 (0)2 38 05 21 23
> http://www.gien.com/
> dcaraty@gien.com
>
>
>
> Edouard Bastarache
> Le Français Volant
> The Flying Frenchman
>
> Sorel-Tracy
> Quebec
> www.sorel-tracy.qc.ca/~edouardb/Welcome.html
> http://perso.wanadoo.fr/smart2000/index.htm
> http://www.pshcanada.com/Toxicology.htm
> www.thepottersshop.blogspot.com
> http://www.ceramique.com/cerambooks/rayons/technologie.php
> http://www.flickr.com/photos/30058682@N00/
>
> ______________________________________________________________________________
> 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.
>
______________________________________________________________________________
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.
Eva Gallagher on wed 17 jan 07
Hello Edouard,
You have left me in suspense - what comes after the last partial sentence=
?=20
"They in addition have also some defects.... "- does that mean they can=20
cause some problems?
Eva Gallagher
Deep River Potters' Guild
----- Original Message -----=20
From: "Edouard Bastarache Inc."
To:
Sent: Monday, January 15, 2007 10:05 AM
Subject: Sodium/Potassium Chloride in glass/glazes
> ED,
>
> Tu vas =EAtre content, j'ai trouv=E9 de la litt=E9rature
> dans ma biblioth=E8que de "flying glazeman" sur la
> fusion du verre qui indique que les chlorures de
> sodium et de potassium sont des acc=E9l=E9rateurs de
> fusion. Ils abaissent la temp=E9rature de fusion du
> carbonate de calcium, du carbonate de sodium entre
> autres, en cr=E9ant des eutectiques, ce qui acc=E9l=E8re
> la fusion de l'ensemble d'une composition qui
> contient ces mati=E8res. Les chlorures commencent =E0
> se d=E9composer =E0 partir de 850=B0C et le sont
> d=E9finitivement =E0 1400=B0C, donc plus trace de chlore
> ensuite dans le produit final. Ils ont aussi
> quelques d=E9fauts par ailleurs, =E0 voir...
>
> ED,
> You will be happy, I found some literature in my
> library of "flying glazeman" on the fusion of
> glass which indicates that the potassium and
> sodium chlorides are accelerators of fusion. They
> lower the melting point of calcium carbonate, of
> sodium carbonate inter alia, by creating
> eutectics, which accelerates the fusion of the
> whole of a composition which contains these
> materials. The chlorides start to decompose at
> 850=B0C and are definitively decomposed at 1400=B0C,
> therefore no more chlorine trace then in the end
> product. They in addition have also some defects,
> to see...
>
>
>
> Later,
>
>
> Denis Caraty
> Tel : 33 (0)2 38 05 21 22
> Fax : 33 (0)2 38 05 21 23
> http://www.gien.com/
> dcaraty@gien.com
>
>
>
> Edouard Bastarache
> Le Fran=E7ais Volant
> The Flying Frenchman
>
> Sorel-Tracy
> Quebec
> www.sorel-tracy.qc.ca/~edouardb/Welcome.html
> http://perso.wanadoo.fr/smart2000/index.htm
> http://www.pshcanada.com/Toxicology.htm
> www.thepottersshop.blogspot.com
> http://www.ceramique.com/cerambooks/rayons/technologie.php
> http://www.flickr.com/photos/30058682@N00/
>
> _______________________________________________________________________=
_______
> 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=20
> melpots@pclink.com.
>=20
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