Tag Archives | glaze

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Glaze course dates 2019

I will be teaching more glaze courses in 2019. Learn about mixing glazes, colouring oxides, colour blends and glaze chemistry. 13-14 April 2019 Forest Row School of Ceramics, East Sussex. 16-17 March 2019 Burnt Earth studio, Forest Row, East Sussex 25-26 May 2019 Studio45 Dartington, Devon.

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respirator mask

Glaze materials 2

Earthenware glazes are made mostly of frit, which is a kind of man-made feldspar. Borax, soda and other water soluble materials can be made insoluble by heating together with silica. The resulting glass is ground up and used together with clay and silica to make low temperature earthenware glazes. Frits are also used to lower the […]

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chalk and limesone, glaze material

Glaze materials

Stoneware and porcelain glazes are made up of at least four ingredients: silica, feldspar, whiting and clay.  This is what they look like in their raw mineral forms. Silica is ground flint or quartz, usually from sand or sandstone. These are large pieces of milky quartz from a vein in igneous rock. Silica has a high […]

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Linda Bloomfield - glaze test tiles

Glaze course dates 2017

I have been asked to teach several glaze courses in 2017. A new pottery school is opening in Forest Row in Sussex. I will be teaching glazes there 0n 17-19 February 2017. Contact Katrina Pechal on 0789 444 7938. You can visit the school when they open in December, courses start in January with tutors […]

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