20.60 26. 3. 2026.
ISO
ISO/TC 61/SC 5
Међународни стандард
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.
ПРОЈЕКАТ
ISO/WD 25900
20.60
Завршетак рада на преднацрту стандарда
26. 3. 2026.