Features: - Arti-Fol metallic 12 μm Red-Black is an occlusion test film consisting of a metallized polyester film (shimstock film) of 12 μm thickness and a double-sided color coating. - This film is characterized by its flexibility, tear resistance, and reduced static charge. - The low thickness of the material allows a close approximation of the antagonists. - Arti-Fol metallic complete BK 328 combines the proven Arti-Fol metallic film black-red with a new and hygienic cardboard holder. Specifications: - 12 Micron. - Color: Red-Black.