Leather. Physical test methods. Determination of water resistance of heavy leathers Ingestion-build-48183 respiratory support items)

respiratory support items)

This document also applies to circuit-breakers having more than one rated current

Text amended in NA

The purpose of BS EN 50117‑9‑1 is to specify the applicable test methods and requirements for the electrical

The stability of metrological characteristics is one important aspect of durability

Leather. Physical test methods. Determination of water resistance of heavy leathers Ingestion-build-48183 respiratory support items)1 Scope This International Standard specifies a method for determining the water resistance of heavy leathers. The method allows determination of the penetration time, water absorption, area of penetration and water penetration rate as required. It is applicable to all types of heavy leathers.