Tpo Waterproofing Membrane Suitable For Industrial Plants, Public Buildings, Etc Product Features The most core advantage of this type of coil is its outstanding weathering resistance. After the 7200-hour artificial climate accelerated aging test, its appearance and physical properties remain stable, and its expected outdoor service life reach more than 25 years. The solar reflectance of white and light-colored surfaces can reach more than 80%, which significantly reduce the