Method 4.8.2 tests resistance to solvents for mica dielectric capacitors. Capacitors are tested in accordance with MIL-STD-202-215 (resistance to solvents test method). Brushing is not required for this application.
The test evaluates whether capacitor markings and protective coatings maintain their integrity when exposed to the solvents and cleaning processes commonly used in military electronics manufacturing and maintenance.
This is important because capacitors in military equipment may be subjected to various cleaning agents during PCB assembly and field maintenance operations.