Gold, copper and silver metal coating in much infrared area, the wavelength variety of more than 4 mu m, a high reflectivity. As for The everyday metallic coating thickness, full reflectivity of up to ninety%-ninety five%, high infrared reflectivity is such as very low emission level (Lower-e), this would scale https://concrete-foaming-agent93680.tokka-blog.com/35846300/examine-this-report-on-lightweight-concrete