# ISO 3351:1975 — Withdrawn and superseded ISO standards For ISO 3351:1975, item title is Wood — Determination of resistance to impact indentation; status code is 9599; successor is ISO 13061-11:2017 | ISO/WD 13061-11; withdrawn / published date is 1975-12-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 3351:1975 _(verified: appears in the quote below)_ - **Item title:** Wood — Determination of resistance to impact indentation _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 13061-11:2017 | ISO/WD 13061-11 - **Withdrawn / published date:** 1975-12-01 _(verified: appears in the quote below)_ ## What the source says > 8635,IS,,ISO 3351:1975,Wood — Determination of resistance to impact indentation,Bois — Détermination de la résistance à la pénétration dynamique,1975-12-01,1,['79.040'],ISO/TC 218,9599,,"[60073,52514]","['en','fr']",2,
The method described determines the resistance of the surface layer of a test piece to impact indentation by a steel ball being dropped from a height of 500 1 mm. With a pressing mechanism the test piece is held against a massive base-plate.
## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).