Sculpt Nouveau Ever-Clear acrylic urethane is a two part clear, durable, low VOC, air drying coating. It is formulated for use on bronze, brass, copper, steel, wood, terracotta, ceramics, and concrete. Sculpt Nouveau Ever-Clear provides unusual under-film tarnish protection as well as superior resistance to UV light, salt air environments, and most chemicals.
For more information and help check out this awesome guide by Sculpt Nouveau *HERE*