Red Brown Amaco Velvet Underglaze V313

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Red Brown Amaco Velvet Underglaze

Velvet Underglazes are vibrant, semi translucent, fluxed colours which are very versatile and offer three alternative techniques:

1.When left unglazed and then fired 1000 deg.C - 1100degC, they give semi matt surfaces to simulate cloth and fur textures. With slightly higher firing they assume a slight sheen. Glazing is not essential allowing permanent decoration of finely detailed modelling without having the detail rounded away by subsequent glazing.

2.When used in normal Underglaze fashion they can be glazed by dipping , spraying , or a transparent brush on glaze can be used. The colours intensify and give glossy results.

3.They can be used majolica fashion on the unfired glaze, the flux content of the colours giving more predictable results.

Velvet Underglazes fire true to colour as applied from the jar and can be mixed to give to give many more different shades. They tolerate a wide firing range and can be used on porcelain and stoneware with the exception of orange and red. Velvets vitrify at about cone 4 - 6 and can be used on clay, Bisque or on the glaze and can be applied by brushing, sponging or spraying.

More Information
Brand Amaco

Brushing- Keep brush fully loaded at all times. For solid coverage, as in backgrounds, apply 3 or 4 coats of colour, working in opposite directions with each layer of colour. Wait for water sheen to disappear between coats.

Sponging - Pour colour onto a glazed tile. Saturate a slightly dampened fine sponge with colour and lightly pat onto the green ware or bisque , allowing the first coat to dry thoroughly before applying the next. Solid back-grounds can be quickly achieved by using this method which eliminates the streaking that often appears when using a brushing method.

Airbrushing - Dilute colour with water to the consistency required for a smooth spraying application. For solid colour coverage airbrush 3 to 4 coats, for shading, one coat is generally sufficient.

Antiquing - Dilute 2 parts colour with 1 part water, for an antiquing solution. Apply to bisque with as large a brush as possible. Allow to dry. Remove the colour from the large areas with a moist sponge, rinsing and turning the sponge often to produce clear highlights - exposing the embossed design.

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