标准摘要
[中文适用范围]： 本文件规定了一种外部保护涂层系统，该系统作为工厂涂层应用于ISO 2531、ISO 7186和ISO 16631中规定的球墨铸铁管道组件。该涂层系统包括富锌涂料，随后是可与富锌涂料兼容的沥青涂料或合成树脂面层。 注：ISO 8179-1涉及金属基锌涂层。 [外文原描述]： ISO 8179-2:2017 specifies an external protective coating system which is factory-applied to ductile iron pipeline components as specified in ISO 2531, ISO 7186 and ISO 16631. This coating system comprises a zinc-rich paint followed by a finishing layer that can be bituminous paint or synthetic resin compatible with zinc rich paint coating. NOTE ISO 8179-1 addresses metallic zinc-based coatings.
英文名称Ductile iron pipes, fittings, accessories and their joints — External zinc-based coating — Part 2: Zinc-rich paint