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Cone 6 Clay Glaze Fired To Cone 06?


Denco731

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Hello! 

 

I'm using a cone 5/6 clay (Laguna's Dover White), and it has been bisque fired. The glaze I want for it (https://store.schoolspecialty.com/OA_HTML/ibeCCtpItmDspRte.jsp?minisite=10206&item=2936393) is a cone 06 glaze. Can I use a cone 06 glaze on cone 6 clay? I hear that when people have fired the glaze to cone 6 the color fades and runs, so I'm thinking if it can be fired to cone 06, that might solve those issues.

 

Thank you for any and all advice! 

 

Laura

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A cone 5/6 clay body glaze fired to cone 06 will leak like a sieve as the clay body will be under-fired and not vitrified.  If the piece is non-functional, then that is less of a concern; but if the piece is functional and intended to hold liquids, you are asking for trouble.  You may also have glaze fit issues. 

 

Find a cone 5/6 glaze instead.

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i have used cone 04 glaze on a cone 10 body with all firings being cone 04 and i've been able to drink out of the cup for an hour without leaking or damp spot. 

 

and yes mostly a lot of crazing. but it was practice. school work. i dont use them much anymore.

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