20.60 Mar 26, 2026
ISO
ISO/TC 61/SC 5
International Standard
This document specifies a procedure for the determination of air permeability based on the measurement of the gas flow rate, establishes general principles, and gives guidelines for performance of measurements. The air permeability is applicable for plastic films, artificial leathers, pieces of plastics, foam board and elastic porous plastics.
IN_DEVELOPMENT
ISO/WD 25900
20.60
Close of comment period
Mar 26, 2026