[Clayart] UNUSED Hydrite-Imreys | repurposedMATERIALS

Edouard Bastarache edouardb at colba.net
Fri Dec 9 14:53:01 UTC 2022

The power of words

-----Message d'origine-----
De : Clayart [mailto:clayart-bounces at lists.clayartworld.com] De la part de
David Woof
Envoyé : 9 décembre 2022 02:42
À : ronroy at ca.inter.net; Clayart 2014 New
Objet : Re: [Clayart] UNUSED Hydrite-Imreys | repurposedMATERIALS

Ron said: "Hi David, I'm sure you know but - just to add some clarity..."

David says: " Hi Ron,  if we both start "adding clarity" to what we both
already know as you say, most assuredly we will clarify the topic until it
becomes so transparent that it causes other folks' eyes to roll around in
their sockets.

I prefer to wait until someone asks for information...keeps it real and us
perhaps relevant.

Suffice it then, to deflocculate my glazes, and wish you the best of
flocculation for yours,      (Smiles and grins)

Much love,

From: ronroy at ca.inter.net <ronroy at ca.inter.net>
Sent: Thursday, December 8, 2022 11:13 AM
To: Clayart international pottery discussion forum
<clayart at lists.clayartworld.com>; David Woof <woofpots at hotmail.com>
Subject: Re: [Clayart] UNUSED Hydrite-Imreys | repurposedMATERIALS

Hi David,

I'm sure you know but - just to add some clarity...

To calcine: drive off chemically combined water at around bisque
temperature. In the case of clay to render it non plastic.

We use clay in our glazes to help suspend them while we are glazing.
The more clay (Kaolin (un-calcined) and ball clay the better the suspension.
Glazes with less than 10% kaolin often suffer from fast settling. The fix
then may be subbing in ball clay, adding bentonite and/or adding a suspender
or maybe just changing the water source.

A water softener system adds sodium to water - sodium is a deflocculer and
can result in glazes settling.

Those of you who bisque low (below cone 04) may have settling problems
because you have to keep your glazes thinner. If you bisque higher you can
keep your glazes thicker and that by itself may cure the problem.

Adding a calcined kaolin to a clay body would be called for if the clay was
too tight and too plastic (shrinkage over 12%.)


Quoting David Woof <woofpots at hotmail.com>:

> Hi Lynn,
>  This Kaolin is an engineered industrial grade hydrated (or) calcined 
> material useful in a wide spectrum of manufacturing
> applications.   A "repurposed Materials" subject line has evidently
> caused you to proceed with caution.
> $10.00 US for 50 # Plus Shipping for what may be repurposed as garden 
> filler???
>  But then I like the intrepid "what would happen if" so if you like to 
> "test test test" give it a go and tell us your findings and discovery.
>  I use other Imreys engineered materials.
> Someone here may shed further and encouraging light on uses of this 
> material for the Studio Potter.
> With our "One World" environmental and socio-economic conditions 
> accelerating as they are, we may all have to punt, adapt and adjust, 
> or????? wet some hankies!!!
> Let's not forget that clay is everywhere under our feet or within 
> accessible distance.
> Misneach,
> David Woof
> **********************************************************************
> *************************
> ________________________________
> From: Clayart <clayart-bounces at lists.clayartworld.com> on behalf of 
> Lynn Ulrey <lynn.ulrey at gmail.com>
> Sent: Tuesday, December 6, 2022 6:31 PM
> To: clayart at lists.clayartworld.com <clayart at lists.clayartworld.com>
> Subject: [Clayart] UNUSED Hydrite-Imreys | repurposedMATERIALS
> UNUSED Hydrite-Imreys | repurposedMATERIALS
> Does anyone know if  this kaolin could be used in glaze or clay recipes?
> It's only $10 for 50lbs.
> https://www.repurposedmaterialsinc.com/chemicals/imreys-hydrite-121-s/
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Ron Roy
ronroy at ca.inter.net
Web page ronroy.net

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