... resistance to weather: High resistant to weather because of anti UV material. 3.Easy to install: 0.5 ... side coated with anti-ultraviolet (UV) coating, the other side Treated with anti-condensation, set anti-ultraviolet PropertyTest MethodValueUnitsDensityASTM D792120g ... high chemical stability, can be used for the production of anti-corrosion pipes, pipe fittings, pipelines, centrifugal pumps and ...