Category ISO Standards

Vitreous and porcelain enamels — Part 3: Thermal shock resistance 1. Understanding Thermal Shock in Glass-Lined Equipment ISO 28721-3:2008 specifies thermal shock resistance requirements for glass-lined chemical process apparatus operating within the temperature range of -25 °C to +230 °C.…

Vitreous and porcelain enamels — Part 4: Quality requirements for glass-lined flanged steel pipes and fittings 1. Scope and Applicability of ISO 28721-4 ISO 28721-4:2015 specifies comprehensive quality requirements for glass-lined flanged steel pipes and fittings used in chemical process…

Vitreous and porcelain enamels — Part 5: Presentation and characterization of defects 1. Systematic Defect Classification Framework ISO 28721-5:2016 establishes a comprehensive and systematic framework for cataloguing, describing, and classifying enamelling defects that occur on glass-lined chemical equipment. The standard…

Standard methods for evaluating coating-substrate bond integrity in advanced ceramics Introduction to ISO 28722 ISO 28722 specifies test methods for determining the adhesion of fine ceramic coatings applied to various substrate materials. Fine ceramics — also known as advanced or…

Determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel 1. Principle and Scope of the Cylindrical Vessel Method ISO 28706-4:2016 specifies a test method for determining the resistance of vitreous and porcelain enamelled articles to attack…

Determination of resistance to chemical corrosion by alkaline liquids using a closed system 1. Principle and Scope of the Closed-System (Autoclave) Method ISO 28706-5:2010 specifies a closed-system test method for determining the resistance of vitreous and porcelain enamelled articles to…

Vitreous and porcelain enamels — Part 1: Quality requirements for apparatus, components, appliances and accessories 1. Scope and Quality Framework of ISO 28721-1 ISO 28721-1:2019 specifies comprehensive quality requirements for glass-lined steel apparatus, components, appliances, and accessories used in chemical…

Vitreous and porcelain enamels — Part 2: Designation and specification of resistance to chemical attack and thermal shock 1. Enamel Quality Designation System ISO 28721-2:2025 specifies requirements for the resistance of chemical enamels to chemical attack and thermal shock, establishing…

Design, verification, and testing requirements for fluid systems and components used in spacecraft and launch vehicles Scope and System Classification ISO 28704:2021 establishes comprehensive engineering requirements for fluid systems and components in space systems, covering propellant feed and pressurization systems,…

Standardized test methods for evaluating chemical corrosion resistance of enamel coatings used in chemical process equipment, sanitary ware, and laboratory apparatus. 1. Scope and Significance ISO 28706-1:2008 specifies test methods for determining the resistance of vitreous and porcelain enamel coatings…