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Overview EN ISO 28721-2:2025 specifies how to designate and specify the resistance of vitreous and porcelain enamels used in glass-lined apparatus for process plants to chemical attack and thermal sh…
Overview EN ISO 28765:2022 (CEN) - Vitreous and porcelain enamels - provides requirements and guidance for the design, manufacture, installation, inspection and maintenance of bolted cylindrical stee…
Overview SIST ISO 28706-2:2021 specifies a standardized test method to determine the resistance of flat surfaces of vitreous and porcelain enamels to chemical corrosion by boiling media. The method c…
Overview EN ISO 28721-1:2019 - Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 1: Quality requirements for apparatus, components, appliances and accessories - is a CE…
Overview EN ISO 28763:2019 - "Vitreous and porcelain enamels - Regenerative, enamelled and packed panels for air‑gas and gas‑gas heat exchangers - Specifications" - defines minimum requirements and f…
Overview EN ISO 28706-3:2018 (ISO 28706-3:2017) specifies a laboratory test method for determining the resistance of vitreous and porcelain enamels to chemical corrosion by alkaline liquids. The meth…
Overview EN ISO 287:2017 - "Paper and board - Determination of moisture content of a lot - Oven‑drying method" is a CEN-endorsed adoption of ISO 287:2017. It specifies an oven‑drying test method to d…
Overview EN ISO 28706-2:2017 (ISO 28706-2:2017) is a CEN-adopted international test method for assessing the chemical corrosion resistance of vitreous and porcelain enamels on flat surfaces. The stan…
Overview EN ISO 28721-5:2016 - "Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 5: Presentation and characterisation of defects" establishes a standardized system for…
Overview EN ISO 28706-4:2016 specifies a laboratory test method to determine the resistance of vitreous and porcelain enamels to chemical corrosion by alkaline liquids using a cylindrical vessel. The…
Overview SIST EN ISO 28721-4:2016 specifies the quality requirements for glass-lined flanged steel pipes and flanged steel fittings used in process plants. This part of the ISO 28721 series focuses o…
Overview EN ISO 28764:2015 - "Vitreous and porcelain enamels - Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron" specifies how to produce test specimens for e…
Overview EN ISO 28721-4:2015 specifies the quality requirements for glass-lined flanged steel pipes and flanged steel fittings used in process plants. This part of the ISO 28721 series focuses on vit…
Overview EN ISO 28781:2010 / ISO 28781:2010 specifies requirements for subsurface barrier valves and related equipment used in the petroleum and natural gas industries. The standard covers the life‑c…
Overview SIST EN ISO 28762:2012 is an international standard specifying the requirements for vitreous and porcelain enamel coatings applied to steel surfaces designed for writing purposes, such as wh…
Overview SIST EN ISO 28722:2012 (identical to ISO 28722:2008) is an international standard developed by CEN, specifying the requirements for vitreous and porcelain enamel coatings applied to steel pa…
Overview EN ISO 28706-5:2011 (ISO 28706-5:2010) defines a laboratory test method for determining the resistance of vitreous and porcelain enamels to chemical corrosion in closed systems. It is intend…
Overview EN ISO 28723:2011 (identical to ISO 28723:2008) defines a standardized test method for assessing the edge covering of enamelled steel plates intended for heat exchangers. The method measures…
Overview EN ISO 28706-1:2011 (ISO 28706-1:2008) specifies a standardized laboratory test method to determine the resistance of vitreous and porcelain enamelled articles to chemical corrosion by acids…
Overview EN ISO 28721-3:2011 - "Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 3: Thermal shock resistance" specifies requirements and procedures for assessing and u…
Overview EN ISO 28722:2011 (identical to ISO 28722:2008) is an international standard developed by CEN, specifying the requirements for vitreous and porcelain enamel coatings applied to steel panels…
Overview EN ISO 28762:2010 is an international standard specifying the requirements for vitreous and porcelain enamel coatings applied to steel surfaces designed for writing purposes, such as whitebo…
Overview SIST EN ISO 2871-2:2010 is a European and international standard specifying the method for determining the cationic-active matter content in detergents and surface active agents with low mol…
Overview EN ISO 2871-1:2010 (ISO 2871-1:2010) specifies a validated laboratory method for the determination of high‑molecular‑mass cationic‑active matter in detergents and surface‑active agent formul…
Overview EN ISO 2871-2:2010 is a European and international standard specifying the method for determining the cationic-active matter content in detergents and surface active agents with low molecula…
Overview EN ISO 2870:2009 (ISO 2870:2009) specifies an analytical method for the determination, in detergents, of anionic-active matter hydrolysable and non‑hydrolysable under acid conditions. The sc…
Overview SIST EN ISO 2875:2003 is an international standard developed by CEN and ISO that specifies a method for testing the resistance of complete, filled transport packages and unit loads to water…
Overview EN ISO 2873:2002 (identical to ISO 2873:2000) defines a standardized low pressure test method for complete, filled transport packages and unit loads exposed to the reduced-air-pressure condi…
Overview EN ISO 2875:2002 is an international standard developed by CEN and ISO that specifies a method for testing the resistance of complete, filled transport packages and unit loads to water spray…