# ISO 3385:1989 — Withdrawn and superseded ISO standards For ISO 3385:1989, item title is Flexible cellular polymeric materials — Determination of fatigue by constant-load pounding; status code is 9599; successor is ISO 3385:2014; withdrawn / published date is 1989-11-02, recorded from its source on 2026-08-05. - **Identifier:** ISO 3385:1989 _(verified: appears in the quote below)_ - **Item title:** Flexible cellular polymeric materials — Determination of fatigue by constant-load pounding _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 3385:2014 - **Withdrawn / published date:** 1989-11-02 _(verified: appears in the quote below)_ ## What the source says > 8681,IS,,ISO 3385:1989,Flexible cellular polymeric materials — Determination of fatigue by constant-load pounding,Matériaux polymères alvéolaires souples — Détermination de la fatigue par indentation à charge constante,1989-11-02,3,['83.100'],ISO/TC 45/SC 4,9599,[8680],[55743],"['en','fr']",4,

Specifies the determination of loss in thickness and loss in hardness of materials intended for use in upholstery. Provides a means of assessing the service performance. The method is applicable both to standard size test pieces cut from stock material and to shaped components. Formulas are given to express the loss in thickness and the loss in hardness. Two figures show the details of a manually adj ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).