ASTM B580-79 is a standard specification established by ASTM International (formerly known as the American Society for Testing and Materials). It specifically covers the requirements for intended for various engineering and architectural applications.
For types B through F, proper sealing of the porous anodic layer is crucial to ensure corrosion resistance. The standard references specific test methods (such as the acid dissolution test) to verify the integrity of the seal. astm b580-79 pdf
Standard Specification for Anodic Oxide Coatings on Aluminum ASTM B580-79 is a standard specification established by
If the aluminum is dyed, the color must match a mutually agreed-upon reference sample between the buyer and the anodizer. astm b580-79 pdf