# ISO 7231:2010 — Withdrawn and superseded ISO standards For ISO 7231:2010, item title is Polymeric materials, cellular, flexible — Determination of air flow value at constant pressure-drop; status code is 9599; successor is ISO 7231:2023; withdrawn / published date is 2010-06-15, recorded from its source on 2026-08-05. - **Identifier:** ISO 7231:2010 _(verified: appears in the quote below)_ - **Item title:** Polymeric materials, cellular, flexible — Determination of air flow value at constant pressure-drop _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 7231:2023 - **Withdrawn / published date:** 2010-06-15 _(verified: appears in the quote below)_ ## What the source says > 43778,IS,,ISO 7231:2010,"Polymeric materials, cellular, flexible — Determination of air flow value at constant pressure-drop",Matériaux polymères alvéolaires souples — Détermination de l'indice d'écoulement d'air à chute de pression constante,2010-06-15,2,['83.100'],ISO/TC 45/SC 4,9599,[13870],[82601],"['en','fr','ru']",11,"

ISO 7231:2010 specifies two methods for determining the air flow value of flexible cellular polymeric materials.

" ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).