I need to change my white glaze to one that will withstand the test of time.

I see the one I have used for 30 years is checking. Please let me know if you have a great replacement.

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What about the cone 6 faux-majolica recipe in  Mastering Cone 6 Glazes? Haven't tested or used it myself, but it looks great in the book on porcelain.

Thanks George,

I have the book so I will look it up.

I like to know where the glazes come from .

That sound like a good start. 

With so many to look at I didn't know where to begin.

I will test it with my other glazes.

I would use the white satin before the majolica for dinner ware if you are going to take the recipe from Mastering Cone 6.  I think it is the Glossy 1 with 5% tin oxide.  It is a stable glaze and I believe it is the recipe for the liner glaze (minus the tin).  You could also take the recipe Ron Roy's Black from frogpondpottery - remove the colorants and add tin.  It is a liner glaze.  If you would like it to be a little warmer add rutile.  Up to 6% would be nice and increase the stability.

George Lewter said:

What about the cone 6 faux-majolica recipe in  Mastering Cone 6 Glazes? Haven't tested or used it myself, but it looks great in the book on porcelain.

Thanks Donna..... I will test the white satin as well.  These are good leads which I appreciate.

I use the majolica white from Mastering Cone 6 Glazes adding 12% zircopax.  It is not quite as glossy as the glossy base although it will take a clear gloss over it very well. I get many compliments on this white.

I have also used the glossy base 1 white.  I do not have access to the G-200 that the book recommends so had to go with Custer Feldspar or Minspar with the formula adjusted for low K Custer Feldspar and Texas talc.  Alternately, have mixed it with Minspar and gotten similar results using zircopax. I received updated recipes from Ron Roy to account for the reduced K2O that is currently coming out of the Custer Feldspar mine.He is reachable on the clayart message board.

Ron Roy's black is the Glossy Base 2 from Mastering Cone 6 - you'll need to adjust the Feldspar on it as well, the recipes on FrogPond for the black don't take into account the low K2O currently being shipped by the mine.

Basically you need to alter Black#3 var 1 by increasing the Custer Feldspar by 4% and reducing the silica by 3.5% and the EPK by 0.5%.  Ron gave me these adjustments and the black is EXCELLENT.  It also makes a nice white if you eliminate the colorants and add zircopax (I use spectralux).  Fire to cone 6, drop to 1900 then control your cooling down to 1400 @125/hour.

Brent, Thanks for your valued info. I do appreciate it. 

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