The Bronze series contains copper. This particular series boasts both impressive heat and beautiful natural color in one package.
The Nichrome series contains an alloy of nickel and chromium. This alloy is highly resilient and forms an effective barrier against solar energy by capturing and dispersing heat throughout the surface it is applied to.
The metal in the NSN series is comprised of an alloy of nichrome and silver. By combining the strengths of these metals, this alloy provides the film excellent reflectivity and outstanding overall performance.