The use of suitable anti-corrosive pigments has a significant influence on the protective properties of formulations for metal substrates. The mode of action of an anti-corrosive pigment is attributed to the following factors:
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Increase in film strength
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Prevention of rust creepage and underfilm corrosion at defect areas
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General retardation of the corrosion process
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Cathodic and/or anodic passivation of the metal surface
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2015
Association for Materials Protection and Performance (AMPP)
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