Plastics piping and ducting systems - Thermoplastics pipes and fittings - Determination of Vicat softening temperature (VST); German version EN 727:1994— 5 стр.
Plastics piping and ducting systems - Pipes and fittings of unplasticized poly(vinyl chloride) (PVC-U) - Specimen preparation for determination of the viscosity number and calculation of the K-value; German version EN 922:1994— 4 стр.
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.