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Countermeasures for Masking Defects

Adhesion to areas where it should not be applied can lead to assembly issues or poor electrical conductivity.

Masking defects are failures where paint adheres to areas that should not be painted. In automotive parts, issues are likely to occur at screw areas, contact points, fitting parts, grounding areas, and drainage holes, and they may be discovered during the assembly process at the customer's site. To prevent misalignment of the masking position, peeling, deterioration of the masking material, and differences in judgment among workers, it is necessary to standardize the range of non-painted areas, the application procedure, and the inspection methods.