G.1 UV ageingG.1.1 GeneralThe test shall consist of subjecting PE/PP material test samples to the continuous irradiation of a xenon lamp under given temperature and humidity conditions.Evaluation shall be performed by assessing the change in the material through the variation in its melt flow rate.G.1.2 EquipmentG.1.2.1 Irradiation chamber, equipped with a xenon lamp (see ISO … Continue reading DIN EN ISO 21809-1 External Coatings for Buried or Submerged Pipelines/ Polyolefin coatings (3-layer PE and 3-layer PP) / UV Ageing Test and Thermal Ageing Test / Testing Equipment