DIN EN ISO 28723-2011 搪玻璃釉.换热器用搪瓷钢板的边缘涂层的测定(ISO 28723-2008);德文版本EN ISO 28723-2011
Vitreous and porcelain enamels - Determination of the edge covering on enamelled steel plate to be used in heat exchangers (ISO 28723:2008); German version EN ISO 28723:2011
This International Standard specifies a test method for the determination of the covering of the edge of enamelled steel plate to be used in heat exchangers.
It is applicable to plates with a thickness between 0,5 mm and 1,0 mm.
This method is not applicable where the current flow generated in the test exceeds 3 A.