# ISO 16620-4:2016 — Withdrawn and superseded ISO standards

For ISO 16620-4:2016, item title is Plastics — Biobased content — Part 4: Determination of biobased mass content; status code is 9599; successor is ISO 16620-4:2024; withdrawn / published date is 2016-12-16, recorded from its source on 2026-08-05.

- **Identifier:** ISO 16620-4:2016 _(verified: appears in the quote below)_
- **Item title:** Plastics — Biobased content — Part 4: Determination of biobased mass content _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 16620-4:2024
- **Withdrawn / published date:** 2016-12-16 _(verified: appears in the quote below)_

## What the source says

> 63817,IS,,ISO 16620-4:2016,Plastics — Biobased content — Part 4: Determination of biobased mass content,Plastiques — Teneur biosourcée — Partie 4: Détermination de la teneur en masse biosourcée,2016-12-16,1,['83.080.01'],ISO/TC 61/SC 14,9599,,[83892],"['en','fr']",14,"<p>ISO 16620-4:2016 specifies a method of determining the biobased mass content in plastics products, based on the radiocarbon analysis and elemental analysis.</p><p>ISO 16620-4:2016 is applicable to plastic products and plastic materials, polymer resins, monomers or additives, which are made from biobased or fossil-based constituents.</p><p>This method is applicable, provided that the plastic product contains carbon element an

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).