标准编号：ISO 8179-1:2017
中文名称：球墨铸铁管、配件、附件及其接头 外锌基涂层 第1部分：金属锌与精加工层
英文名称：Ductile iron pipes, fittings, accessories and their joints — External zinc-based coating — Part 1: Metallic zinc with finishing layer
发布日期：2017-07
标准范围
This document 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.
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