C.1 GeneralThe test shall consist of measuring the force required for peeling the coating from the metal substrate of the pipe at a constant rate of pull.C.2 EquipmentC.2.1 Tensile testing machine, capable of recording the peel force with a 5 % reading accuracy, thatoperates at a rate of pull of 10 mm/min, as shown in … Continue reading DIN EN ISO 21809-1 External Coatings for Buried or Submerged Pipelines/ Polyolefin coatings (3-layer PE and 3-layer PP) / Annex C Peel Strength Test / Testing Equipment