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Member Since 10 Nov 2010
Offline Last Active Oct 10 2014 04:58 PM

Posts I've Made

In Topic: Tea Pots Cracking Violently

10 October 2014 - 01:18 PM

The simplest test would be to use the liner glaze inside and out on one pot and the outside glazes on both inside and out on another pot.

In addition you can test the relative coe of the clay by using a series of glazes with varying coes. Studio potter had an article on this topic. I think it was by Jim Robinson.


edit: Here it is. 




These should work for you. 


This same technique is outlined in Mastering Cone Six Glazes as well.

In Topic: Is Black Oxide The Same As Black Iron Oxide

24 September 2014 - 06:56 AM

Without a chemical analysis its impossible to say exactly whats in that "black oxide".
We can make some guesses as to content based on the anthracite/coal makeup. Anthracite is a type of coal and they are combustible and may contain a fair amount of sulfur . This could be bad in an electric kiln or indoors.
Not sure it will be of much use.

In Topic: Granite For Wedging Tabletop/element Wire For Fixed Cut Wire ?

20 July 2014 - 05:20 PM

Best cutoff wire I've used is multi stranded stainless fishing leader. Look for companies such as American Fishing Wire or similar.

Great stuff.

In Topic: Serious Warping

09 February 2014 - 09:51 AM

Can you glaze it in such a fashion to fire it laying down?

Even then you will need to have some sort of connection across the back/top.

In Topic: Epa Bans Most Wood-Burning Stoves - Will This Affect Wood Fired Kilns Too?

11 November 2013 - 01:58 PM

Thank you John.