Powertex Bister Patina Pigment Powder
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Powertex bister powder can be mixed with water and sprayed onto a Powertex coated surface to create a unique cracked patina effect. Different colours can be layered if desired to create a wide range of effects.
If other colours are available for this product, these are listed in the table below. Please note colour variations may occur especially on naturally occurring products and those that have been dyed. We try our best to ensure colour consistency but cannot guarantee that two different products with the same colour description will have the same colour.
Directions for use: Take an empty (approx 100ml) spray bottle and fill with water. Add a teaspoon of bister powder and shake well. Apply a small amount of Powertex to stretched canvas or artwork, creating areas of different thicknesses. Spray bister onto artwork, layering with different colours if desired. To intensify the colour, add a few granules of bister onto the piece and spread well with a brush. Dry with a hair dryer, and cracks will form. Once dry, excess bister may be removed with a damp sponge.Paintings with bister are not waterproof until finished with a varnish such as Powertex Easy Varnish.