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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. Here you go¼ÇµÃµãÔÞŶ |

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