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Cratering (crawling) is the tendency of a wet
film to crawl away from certain areas of the substrate. Cratering is
caused by contamination of the surface. The equipment or coating with
silicon, wax, oil or other contaminants. Cratering is a prevalent
problem in refinishing shops. |
Locate source of contamination and eliminate it.
Check wipers, belt
dressings, lubricating greases, oils, hand creams, metal and wood
polishes, etc., as possible sources. |
