Most recent
ISO 12958-1:2020
Geotextiles and geotextile-related products - Determination of water flow capacity in their plane - Part 1: Index test
This document specifies a method for determining the constant-head water flow capacity within the plane of a geotextile or geotextile-related product. This document describes the in-plane water flow index test, only applicable to factory-assembled products. For the in-plane water flow performance test, see ISO 12958-2.
International Organization for Standardization [iso]