Historical
ISO 2505-1:1994
Thermoplastics pipes -- Longitudinal reversion -- Part 1: Determination methods
Specifies two methods for determining the longitudinal reversion of thermoplstics pipes, to be carried out in liquid or in air. Applies to all thermoplastics pipes with smooth internal and external walls of constant cross-section. Does not apply to non-smooth structured-wall thermoplastics pipes.
International Organization for Standardization [iso]