Modamas Inc, San Francisco Painters
Modamas Inc San Francisco Painters since 1991
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Chalking

 
The sun's ultraviolet rays, and moisture from rainfall and dew, tend to deteriorate the binder of a paint. As the binder breaks down, the pigment is released in a powdery or chalk-like form shown on the person's fingertips in this photograph.

The result of excessive chalking is erosion of the paint film, poor tint retention, and a faded appearance.

 

 
 
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