ISO 2 2553-13 "Paints and varnish - Electrodeposition coatings - Part 13: Determination of redissolve performance" standard specifies the method for evaluating the redissolve performance of electrodeposited coatings. Redissolve performance refers to whether the coating will re-dissolve or disbond due to solvent or Miscellaneous external factors under specific conditions. The standard describes the test procedures, operating conditions and results evaluation methods in detail to ensure the accuracy and conformity of the test. By measuring the redissolve performance, the chemical resistance and long-term Stability of coatings can be effectively evaluated, providing an important basis for the quality control and application performance of coatings. This method is widely used in coating mass evaluation in automotive, industrial painting and other fields.