# ISO 15064:2004 — Withdrawn and superseded ISO standards

For ISO 15064:2004, item title is Plastics — Aromatic isocyanates for use in the production of polyurethanes — Determination of the isomer ratio in toluenediisocyanate; status code is 9599; successor is ISO 15064:2010; withdrawn / published date is 2004-08-09, recorded from its source on 2026-08-05.

- **Identifier:** ISO 15064:2004 _(verified: appears in the quote below)_
- **Item title:** Plastics — Aromatic isocyanates for use in the production of polyurethanes — Determination of the isomer ratio in toluenediisocyanate _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 15064:2010
- **Withdrawn / published date:** 2004-08-09 _(verified: appears in the quote below)_

## What the source says

> 37364,IS,,ISO 15064:2004,Plastics — Aromatic isocyanates for use in the production of polyurethanes — Determination of the isomer ratio in toluenediisocyanate,Plastiques — Isocyanates aromatiques pour utilisation dans la production de polyuréthannes — Détermination du rapport des isomères dans le diisocyanate de toluène,2004-08-09,1,['83.080.10'],ISO/TC 61/SC 12,9599,,[56868],['en'],10,"<p>ISO 15064:2004 specifies methods for the measurement of toluene-2,6-diisocyanate in mixtures of the 2,4- and 2,6-isomers. Two methods based on infrared spectroscopy are required to give accurate results over a broad range of isomer concentrations. Method A is applicable to TDI samples containing 5 % to 95

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).