Rock wool board is a kind of insulation material, mainly used for daily necessities, construction and so on. Its surface is usually covered with a layer of aluminum foil to give it a variety of properties. This layer of aluminum foil is mainly made of 8011 aluminum. frustration. Mingtai Aluminum can produce 8011 aluminum foil for rock wool boards of various properties. It has the characteristics of good light shielding, good adhesion, opacity, moisture resistance and good decoration.