Gold, Copper and silver steel coating in much infrared area, the wavelength range of more than four mu m, a high reflectivity. As for The everyday metallic coating thickness, full reflectivity of as much as ninety%-95%, high infrared reflectivity is similar to very low emission amount (Very low-e), this would https://ptfepowder60370.mybuzzblog.com/15336825/about-polypropen