ISO 4056:1978

Polyethylene (PE) pipes and fittings -- Designation of polyethylene, based on nominal density and melt flow index

Polyethylene material for pipe production ist designated in terms of a figure code. The first group of figures consists of the second and third significant figure of nominal density, the second group consists of the melt flow index multiplied by 100.


General information

  • Status :  Withdrawn
    Publication date : 1978-08
  • Edition : 1
  • :
    ISO/TC 138
    Plastics pipes, fittings and valves for the transport of fluids
  • 23.040.20
    Plastics pipes
    23.040.45
    Plastics fittings

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