# ISO 1563:1990 — Withdrawn and superseded ISO standards For ISO 1563:1990, item title is Dental alginate impression material; status code is 9599; successor is ISO 21563:2013 | ISO/CD 1563; withdrawn / published date is 1990-08-30, recorded from its source on 2026-08-05. - **Identifier:** ISO 1563:1990 _(verified: appears in the quote below)_ - **Item title:** Dental alginate impression material _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 21563:2013 | ISO/CD 1563 - **Withdrawn / published date:** 1990-08-30 _(verified: appears in the quote below)_ ## What the source says > 6157,IS,,ISO 1563:1990,Dental alginate impression material,Produits pour empreintes dentaires à base d'alginate,1990-08-30,2,['11.060.10'],ISO/TC 106/SC 2,9599,"[6158,6156]","[55314,41384]","['en','fr']",10,"
Establishment of the classification of and specification of the requirements for impression materials in powder form containing an alginate as the gel-forming ingredient. This standard replaces ISO/R 1563/1970 of which it constitutes a technical revision. The figures show the different test apparatus, instruments and components.
" ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).