BS EN ISO 28721-1. Vitreous and porcelain enamels. Glass-lined apparatus for process plants. Part 1. Quality requirements for apparatus, components, appliances and accessories
BS EN ISO 28721-1. Vitreous and porcelain enamels. Glass-lined apparatus for process plants. Part 1. Quality requirements for apparatus, components, appliances and accessories
Methods of testing vitreous enamel finishes-Determination of resistance to thermal shock of coatings on articles other than cooking utensils and fabricated sheet steel components