# ISO 4629:1996 — Withdrawn and superseded ISO standards For ISO 4629:1996, item title is Binders for paints and varnishes — Determination of hydroxyl value — Titrimetric method; status code is 9599; successor is ISO/WD 4629 | ISO 4629-1:2016; withdrawn / published date is 1996-06-06, recorded from its source on 2026-08-05. - **Identifier:** ISO 4629:1996 _(verified: appears in the quote below)_ - **Item title:** Binders for paints and varnishes — Determination of hydroxyl value — Titrimetric method _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/WD 4629 | ISO 4629-1:2016 - **Withdrawn / published date:** 1996-06-06 _(verified: appears in the quote below)_ ## What the source says > 10585,IS,,ISO 4629:1996,Binders for paints and varnishes — Determination of hydroxyl value — Titrimetric method,Liants pour peintures et vernis — Détermination de l'indice d'hydroxyle — Méthode titrimétrique,1996-06-06,2,['87.060.20'],ISO/TC 35,9599,[10584],"[36630,67213]","['en','fr']",4,"

Specifies a titrimetric method for determining the free hydroxyl groups in binders and binder solutions for paints and varnishes. The hydroxyl groups may be present as polyhydric alcohols, partial esters, polyester end groups or hydroxylated fatty acids. Replaces the first edition.

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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).