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Glaze Question

Glaze Question

    How can I change my shiny glaze into a matt one?

    All glazes are inherently shiny, even when they appear to be matt. A shiny glaze...
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    At what temperature should I fire my glaze?

    The glaze firing range is that range over which we expect the glaze to produce...
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    What’s causing my glaze to pinhole?

    Pinholing in glazes can be caused by a variety of reasons. Firstly it can be...
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    What’s causing my glaze to blister?

    Blisters in the surface of the glaze are the remnants of bubbles which have burst...
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    How can I resolve crazing?

    Crazing takes the form of fine cracks spread throughout the glaze. Craze lines may be...
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    Why has my glaze peeled?

    Peeling or "shivering" is the opposite of crazing and so is typically caused by overfiring...
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    Why does my tin white glaze have a pink tinge?

    This fault is caused by volatilisation during the firing and may produce a variety of...
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    What’s causing the rough, pitted surface on my decal transfer/on-glaze enamel/lustre decoration?

    The glaze surface appears to have a layer of sugar stuck to it. In actual...
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    Why is my bright gold lustre dull?

    This is most obvious with the bright gold but can happen with any lustre. The...
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    What’s causing the purple discolouration in my fired lustre?

    Lustres are a very thin (molecular) layer of metallic components deposited in the surface of...
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    How should I apply a glaze made up from a powder?

    Powdered glazes, once mixed with water according to the recommended guidance, are suitable for dipping,...
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    Why has my transparent glaze fired ‘milky/cloudy’?

    Glossy Transparents: This is caused by devitrification which is the formation of crystals, particularly of...
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    Why hasn't my special-effect/reactive glaze fired as expected?

    Artistic/special effect glazes usually require a generous application to achieve the desired effect. Varying the...
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    How much brush-on glaze do I need to cover a specific area?

    As a general guide, allowing for 2-3 coats application of commercially-prepared brush on glaze, you...
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    What are Once-Fire glazes and how do I use them?

    ‘Once-fire’ is the term given to glazes applied to unfired clay rather than bisque ware....
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    How do I stop my glaze from settling out ("hard-panning")?

    Fritted glazes are particularly prone to hard-panning. Bentonite clay (sku3411) is a suspending agent which...
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    What should the specific gravity be for my dipping glaze?

    Very generally speaking, ideal specific gravity for most dipping glazes is between 1.4 and 1.6....
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    Which of your glazes are vegan-friendly?

    This is a question we are asked increasingly often. We have approached our glaze suppliers...
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