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 keith haring, king, keith haring posters, david hockney, david hockney drawing, david hockney drawings, david hockney painting, david hockney paintings, david hockneys art, hockney, hockney david, jiang, jiang lion, jiang serigraph, jiang serigraphs, jim buckels, jim ryan, johnny bench, keith haring and new york city subway, keith haring biografie, keith haring image, keith haring images, keith haring poster, kuang, lars loma, leroy neiman, leroy neiman and art, leroy neiman brooklynWhat is the cause of dark spots that sometimes appear on the paper of drawings and paintings? Reddish-brown spots are known as "foxing", caused by mold or the deterioration of the metallic impurities left in the paper from the manufacturing process. Other colors hockney of spots may be one of many types of mold damage. Mold spores are everywhere in the environment, and mold thrives on cellulosic materials, especially in conditions of high humidity (above 65% of relative humidity). Keeping artworks out of high humidity areas david like bathrooms or exterior walls, can help reduce the development of such stains. If I have a work of art on paper that appears to not be flat, should I be concerned? Paper is hygroscopic, reacting hockney to changes in climate by expanding when it is humid and contracting when it is dry. A gentle david undulation in the paper called "cockling" occurs under these conditions, especially with larger works. This may impair the work aesthetically as well as cause mediums such as gouache to crack or flake as it is unable to expand and contract as the paper itself does. What is the cause of dark spots that sometimes appear on the paper of drawings and paintings? Reddish-brown spots are known as "foxing", caused by mold or the deterioration of the metallic impurities left in the paper from the manufacturing process. Other colors hockney of spots may be one of many types of mold damage. Mold spores are everywhere in the environment, and mold thrives on cellulosic materials, especially in conditions of high humidity (above 65% of relative humidity). Keeping artworks out of high humidity areas david like bathrooms or exterior walls, can help reduce the development of such stains. If I have a work of art on paper that appears to not be flat, should I be concerned? Paper is hygroscopic, reacting hockney to changes in climate by expanding when it is humid and contracting when it is dry. A gentle david undulation in the paper called "cockling" occurs under these conditions, especially with larger works. This may impair the work aesthetically as well as cause mediums such as gouache to crack or flake as it is unable to expand and contract as the paper itself does. Looking to add a beautiful piece of art to your home or office? Visit this site to view the masterpieces by various famous artists. We have artwork of celebrities, animals, landscapes, men, women, abstract images, and many more.
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