Standard Test Method for Obtaining Hydrostatic Design Basis for Thermoplastic Pipe Materials or Pressure Design Basis for Thermoplastic Pipe Products— 16 стр.
Plastics - Polybutene (PB) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 8986-2:1995); German version EN ISO 8986-2:1995— 7 стр.
Standard Specification for 2 to 60 inch [50 to 1500 mm] Annular Corrugated Profile Wall Polyethylene (PE) Pipe and Fittings for Land Drainage Applications— 7 стр.