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Resistance to external blows. Staircase method.
A sample (pipe) is subjected to impact from a hammer with a set weight and shape, from different heights. The result is expressed as the H50 value (height of fall causing failure in 50% of the pipe test samples taken to represent the batch).
Products to test
Drainage and sewerage without pressure made of unplasticized poly (vinyl chloride) (PVC-U) EN 1401-1.
Plastics piping systems for building and discharge of waste water made of:
Unplasticized poly (vinyl chloride) (PVC-U) EN 1329-1.
Unplasticized poly (vinyl chloride) (PVC-U) (structured wall) EN 1453-1