Povučen
ISO 7231:2010 specifies two methods for determining the air flow value of flexible cellular polymeric materials.
method A, for conventional types of flexible cellular polymeric material;
method B, for all types of flexible cellular polymeric material, but especially for materials with a low permeability to air.
POVUČEN
ISO 7231:1984
POVUČEN
ISO 7231:2010
95.99
Povučen
15. 8. 2023.
OBJAVLJEN
ISO 7231:2023
Fleksibilni polimerni materijali sa ćelijama - Određivanje vrednosti protoka vazduha pri konstantnoj razlici pritiska
95.99 Povučen