[Clayart] redart vs. epk

[ran mcc]

Thanks Edouard that's interesting I have subbed redart in Richard Brusch Nutmeg glaze for years with no visual difference in glaze that I can tell.  I do remove the iron it calls for.  Don't get any running with sub.  Works good in layering other Cone 6 glazes.

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________________________________
From: Clayart <clayart-bounces at lists.clayartworld.com> on behalf of Edouard Bastarache <edouardb at colba.net>
Sent: Friday, June 9, 2023 11:21:00 PM
To: 'Clayart international pottery discussion forum' <clayart at lists.clayartworld.com>
Subject: Re: [Clayart] redart vs. epk

Redart melts at cone4 2174 F and Kaolin in the vicinity of 3400 F' Make your choice

Edouard

-----Message d'origine-----
De : Clayart [mailto:clayart-bounces at lists.clayartworld.com] De la part de mel jacobson
Envoyé : 9 juin 2023 19:43
À : clay art
Objet : [Clayart] redart vs. epk

Redart is an earthenware clay, epk is a high temp clay used in porcelain, and high temp glazes. Melting point would be the most important aspect.

I have gone to half and half ball clay and epk for most high temp glazes. the cracks during drying have gone away forever.

I am sure ron or others can give you a more finite answer.
mel

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