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Vitraglaze Stoneware Glaze: Oil Spot Sample Set

SKU: J021

Try our latest, limited edition stoneware set to create 9 different Oil Spot glaze variations. Formulated for reliable results on Vitraclay stoneware clay bodies.

£12.75

£10.63 ex. VAT

75 in stock
More details

Product Details

Product Information

Liquid brush-on 40ml sample-size pots.

Real Oil Spots originate from China (Song and Jin Dynasties). They are famous for having a shiny metallic spot of varying sizes from an iron rich dark background. They were made in a reduction atmosphere where the
iron decomposing would react within the glaze changing the iron’s chemistry, crystallizing into patterns which are more reflective of light than the rest of the glaze.

Our faux oil spot uses the technique of having an iron rich base with topping of an opacified white glaze. It will give a variety of affects, sometimes more hare’s fur (another quality) than oil spot. This combination produces a variety of effects, sometimes resembling more of a hare’s fur finish (another quality glaze variation), than traditional oil spots.

This set includes 6 glazes that offers 9 possible variations:

A good starting point for research on Oil Spots/Hare’s Fur is
here.

This glaze is available until the end of December 2026.

Order before the promotion ends to avoid disappointment.

Firing and Working Notes

Firing Range:

1240°C to 1260°C (Cone 6 to Cone 9@60°C/hr).

1232°C is a magic point where iron releases its oxygen atom and therefore we advocate a high temperature Cone 6, but it must be noted that the glaze is likely to run at higher temperatures.

The sample shows two applications on Vitraclay White Throwing Clay, fired to 1240°C.

Working Notes:

  • This glaze fits well with all Vitraclay bodies and there is little change in appearance across different bodies.
  • Achieve a glossier, deeper black with multiple applications.

For advice and tips on using a brush-on glaze, read our Application with a Brush.

For more information on food safety, read our Food Safety in Ceramics.

Health & Safety

Lead-free.

Refer to each SDS below for the individual hazards of each glaze.

General Advice:

When handled safely, a brush-on liquid glaze poses no risks, but avoid ingestion and contact with skin or eyes.

A powder or dried brush-on glaze presents a hazard as it may contain crystalline silica and other materials. When working with powders or when cleaning, wear an FFP3/P3 mask and filter and use a wet sponge.

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