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Winsor & Newton Gum Arabic 75ml

Ref: 2684
  • Now £7.09
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  • Increases the gloss and transparency of watercolour
  • A natural product base

A pale coloured transparent solution that increases the gloss and transparency of watercolour. Thins with water. Gum arabic is used as a binder for watercolour painting because it dissolves easily in water. Pigment of any colour is suspended within the acacia gum in varying amounts, resulting in watercolour paint. Water acts as a vehicle or a diluent to thin the watercolour paint and helps to transfer the paint to a surface such as paper. When all moisture evaporates, the acacia gum typically does not bind the pigment to the paper surface, but is totally absorbed by deeper layers

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