Specialized thin coatings, often used as a paint base, with a minimum thickness. Performance Requirements
Utilizing Type A hard coats for wear resistance and electrical insulation in aircraft components. astm b580-79 pdf
🔍 To find a historical PDF for reference: Specialized thin coatings, often used as a paint
B580 Standard Specification for Anodic Oxide Coatings on Aluminum. ASTM International Specialized thin coatings
: It covers porous oxide coatings but specifically excludes nonporous barrier layer coatings used for electrical capacitors.