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underglaze - do it yourself

updated sat 28 nov 98


The Allens on fri 27 nov 98

Someone asked for underglaze formulas but I accidentally deleted the
post...Here's one that Greg posted a while ago. Haven't tried it yet. Does
anyone know how to make a bright WHITE underglaze?

Carla Allen

----------------Original message----------------------------
=3ESo Greg,
If you had shared the formulas, I missed them. (I'm still new=21) Could
youplease post them? I have a project on the back burner until after the
Christmas rush. But I still keep experimenting=21 It would be a great help =
share your experience and knowledge. TIA
Pamela in Atlanta,Ga,USA

Greg wrote to Cheryl:
=3EI can answer this as the experience applies to me. Last year I had the
=3Evaluable experience of doing research for the underglazes that were used =
=3EIngrid Lilligren, Prof. of Ceramics here at Iowa State U., on a large
=3Eceramic mural she was commissioned to make for the new Extended Learning
=3EFacility at the Armstrong Research Farm near Atlantic, Iowa. We =
=3Ea recipe using equal percentages of Frit 3110, EPK, and Mason Stains, =
=3Eliquid laundry starch as the vehicle. This gave a consistency almost =
=3Epaint that allowed a long working time. Much longer than would generally
=3Ebe the case with glaze. We were able to blend colors and achieve truly
=3E=22painterly=22 effects. Also, like paints, the after-fired color of the
=3Estains tends to remain pretty much as it was at the time of
=3Eapplication--unlike glazes colored with raw oxides, which generally look
=3Evastly different after firing. The color is uniform, opaque, and flat.
=3EWe then used a very transparent cone 04 gloss clear glaze over the top.
=3EI'm still doing color research on these underglazes. I'd be happy to =
=3Eyou more about it, if you're interested.
=3EGreg Lamont
=3E3011 Northwood Dr.
=3EAmes, Iowa 50010-4750