Bister is a colour pigment that can be used in different ways with Powertex products.
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Bister is a granulated tint that can be used in different ways with Powertex products. Bister can be mixed with Powertex transparent to make coloured Powertex of your choice, it can be added to water and sprayed onto a project or it can be sprinkled into wet powertex for great effect. Bister can also be used in combination with Easy Varnish to paint and dry-brush your artwork.