The European Scale of Degree of Rusting of Anticorrosive Paints is an internationally recognised method of determining the extent of rusting on a coated surface.
This section allows the coating surveyor to determine the degree of rusting with the use of black and white and coloured illustrations.
Fitz's Atlas of Coating Surveys
European Scale of degree of Rusting of Anticorrosive Paints
Field Tests and Laboratory Analysis