NB Herard | National Research Council (NRC) Canada Finds Atmospheric Plasma Coating Removal Effective in Aircraft Depainting ... NB Herard Each coupon was coated with yellow epoxy-polyamide (MIL-PRF-23377) primer with a thickness range of 45 – 80 µm and a grey polyurethane coating (MIL-PRF-85285D) topcoat with a thickness range of 30 – 50 µm. For the large panels of 2024-T3 and ... |