# ISO 28764:2008 — Withdrawn and superseded ISO standards For ISO 28764:2008, item title is Vitreous and porcelain enamels — Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron; status code is 9599; successor is ISO 28764:2015; withdrawn / published date is 2008-10-09, recorded from its source on 2026-08-05. - **Identifier:** ISO 28764:2008 _(verified: appears in the quote below)_ - **Item title:** Vitreous and porcelain enamels — Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 28764:2015 - **Withdrawn / published date:** 2008-10-09 _(verified: appears in the quote below)_ ## What the source says > 44934,IS,,ISO 28764:2008,"Vitreous and porcelain enamels — Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron","Émaux vitrifiés — Production d'éprouvettes pour l'essai des émaux sur la tôle d'acier, la tôle d'aluminium et la fonte",2008-10-09,1,['25.220.50'],ISO/TC 107,9599,"[7695,1427,22969]",[66381],"['en','fr']",5,
ISO 28764:2008 specifies a method for the production of specimens suitable for testing vitreous and porcelain enamel coatings.
It specifies two different specimens: