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GiselleNo5

Member Since 25 Apr 2015
Offline Last Active Today, 10:18 AM
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Need A White Matte Commercial Glaze Suggestion.

09 March 2017 - 12:20 AM

I am asking for suggestions for matte white underglazes or engobes. I would also consider making my own engobe out of my white stoneware clay body but I don't know how. I've never done that. I need it to be able to be painted on bisque ware under my Clear Bright from Laguna. 

 

I have tried:

 

- Duncan Concepts white underglaze. It flares up and comes through the clear glaze. Yuck. That's not going to work. 

 

- Dune White engobe from Laguna. If applied too thickly it forms micro cracks along the edges. Since this is filling in carving ....  

 

I thought I would try Amaco's Velvet White but it says it is only food safe if I use it with their clear. I have extensively experimented with the Clear Bright and my clay bodies and I am not willing to change it. 

 

I have been making a series of highly decorated pie plates with carving and slip inlay. I paint wax on a leather-hard piece and then carve through to the clay, then paint it with white stoneware slip. 

 

The problem I am having is that the two most recent pieces I've made this way have been horribly pitted, tiny air bubbles formed when I painted on the slip and they did not show up until after it was fired. I thought I had them filled with the glaze but after glaze firing about 20 pits were still open, making a high-investment piece completely unusable. 

 

I want to try just carving it plain and painting on/wiping off an underglaze or engobe after it is bisque fired. 

 

This is not the item with the issues, this is another one that I made with the same technique. 

 

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