Metalphoto® is photosensitive anodized aluminium, also referred to as photo anodized aluminium. Metalphoto® provides a silver halide image that is permanently sealed within the anodic layer, making it resistant to chemicals, heat, abrasion, salt spray and UV. Therefore, Metalphoto® offers extreme durability. Metalphoto® meets an array of commercial, government and military specifications including MIL-STD-130N for Department of Defense UID data matrix bar code applications.