BS EN ISO 28721-2:2015规定了耐化学侵蚀和热冲击的要求 用于订购的化学搪瓷及其名称。适用于搪瓷设备、管道和其他主要用于工艺的部件 化工厂的设备。它仅适用于适用于搪瓷的非合金和低合金碳钢。注:评估釉质质量的主要标准是耐化学侵蚀性和耐热性 冲击和覆盖层的结构珐琅质。交叉引用:ISO 13807ISO 28706-2ISO 28706-4ISO 28721-3购买时可用的所有现行修订均包含在本文件的购买中。

BS EN ISO 28721-2:2015 specifies requirements for the resistance to chemical attack and thermal shock of chemical enamels and their designation for ordering purposes.It is applicable to enamelled apparatus, piping and other components primarily used for process equipment in chemical plants.It only applies to unalloyed and low-alloy carbon steels suitable for enamelling.NOTE The main criteria for assessing enamel quality are the resistance to chemical attack and thermal shock and the structure of the cover coat enamel.Cross References:ISO 13807ISO 28706-2ISO 28706-4ISO 28721-3All current amendments available at time of purchase are included with the purchase of this document.