This standard BS EN 479:2018 Plastics. Poly(vinyl chloride) (PVC) based profiles. Determination of heat reversion is classified in these ICS categories:
83.080.20 Thermoplastic materials
83.140.99 Other rubber and plastics products
This European Standard specifies a method for determining the heat reversion of unplasticized poly(vinyl chloride) (PVC-U) profiles at 100 °C in air. It is also applicable to PVC-based profiles at specified temperatures/other test conditions.