Pigments and Paints: Check out Lightfastness and Toxicity of pigments and paints according to their Colour Index Names (pigment code) - The Color of Art Pigment Database: www.artiscreation.com/Color_index_names.html Information on all aspects of watercolors, including the author’s determination of the permanency ratings of many paints: www. handprint.com Paint Education: Zinc White - Problems in Oil Paint. By George O'Hanlon: www.naturalpigments.com/education/article.asp?ArticleID=127 ...Despite its many advantages, it was soon found that zinc white oil color also has a drawback; it makes a rather brittle paint film. Zinc whites' brittleness can cause cracks in paintings after only a few years, if it is used by itself and in excess... |
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