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，该系统在工厂中应用于 ISO 2531、ISO 7186 和 ISO 16631 中规定的球墨铸铁管道部件。 该涂层系统包括电沉积金属锌基涂层 - 纯金属锌，纯度为99.99%， — 含有或不含其他金属的锌和铝合金，或 — 其他锌合金，然后是饰面层，可以是沥青漆或与锌基涂层相容的合成树脂。 笔记 [外文原描述]： ISO 8179-1:2017 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 an electro-deposited metallic zinc-based coating of - pure metallic zinc with a purity of 99,99 %, - zinc and aluminium alloy with or without other metals, or - other zinc alloys followed by a finishing layer that can be bituminous paint or synthetic resin compatible with zinc-based coating. NOTE ISO 8179-2 deals with zinc-rich paint coating.
英文名称Ductile iron pipes, fittings, accessories and their joints — External zinc-based coating — Part 1: Metallic zinc with finishing layer