This document specifies a method for the determination of the volumetric expansion of rubber or plastics hoses under hydrostatic pressure. This document does not specify the dimensions of the test piece and the test pressure(s) as each of which is specified in the appropriate specification.
EN ISO 6801:2021 history
2021EN ISO 6801:2021 Rubber and plastics hoses - Determination of volumetric expansion (ISO 6801:2021)