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Cr(III) has a gel like state in an un-dried state. During coating drying process, creation of an internal stress in coatings would cause shrinkage leaving some micro-cracks on their surfaces.  These micro-cracks could negatively influence on corrosion resistance by creating conductive paths of electrolyte permeation through the coating.
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Cr(III) has a gel like state in an un-dried state. תΪ£¬ Cr(III) has semi-solid state. The generation of internal stress in the process of coating drying would cause contraction on the surface of coating leading to micro-fractures.These micro-fractures can adversely affect the resistance to corrosion due to the infiltration of electrolyte into the coating.

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