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Frankiegirl

Member Since 04 Apr 2013
Offline Last Active Dec 19 2014 09:06 AM
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Topics I've Started

Issue With Rio In Black Gloss ^6 Glaze

15 May 2014 - 08:44 AM

Hello. Hopefully someone here can help me because I am scratching my head. I use a black gloss cone 6 glaze and recently had an issue with it - it came out a strange sort of light brownish/bluish color (not unpleasing but odd and not at all the gloss black I have used and require). I recently relocated and purchased the iron oxide from a different place than usual and it was the Red variety. I normally use Spanish RIO for this recipe but didn't have any on hand so used the more expensive RIO. Even though I have never substituted it before I didn't think it would make a difference. Am I missing something here? Could that have been my issue or should I be looking at some other error?

 

Here is what I used:

 

Silica: 26

FF 3134: 26

Custer Felspar: 22

EPK: 17

Talc: 5

Whiting: 4

 

RIO: 9

Cobalt Carb: 1