ISO 28763:2008 Preview
Vitreous and porcelain enamels -- Regenerative, enamelled and packed panels for air-gas and gas-gas heat exchangers -- Specifications
This standard was last reviewed and confirmed* in 2012.
*Therefore this version remains current
ISO 28763:2008 specifies the minimum requirements and the functional characteristics of enamel coatings applied by any process, such as wet dipping, wet flow-coating, wet spraying, wet electrostatic spraying, wet electrodeposition or dry-powder electrostatic spraying, to profiled steel heat exchanger panels in regenerative heat exchangers, before and after packing in baskets.