Plastics piping systems - Unplastized poly(vinyl chloride) (PVC-U) pipes, fittings and material - Method for assessment of the PVC content based on total chlorine content; German version EN 1905:1998— 5 стр.
Plastics - Plasticized poly(vinyl chloride) (PVC-P) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 2898-2:1997); German version EN ISO 2898-2:1999— 8 стр.