前言
国际标准化组织 (国际标准化组织) 是国家标准机构的全球联盟 (ISO成员机构). 国际标准的制定通常通过ISO技术委员会进行. 每个对已成立技术委员会的主题感兴趣的成员机构都有权在该委员会中派代表参加. 与 ISO 联络的国际政府和非政府组织也参与了这项工作. ISO 与国际电工委员会密切合作 (国际电工委员会) 关于电工标准化的所有问题.

用于开发本文件的程序以及用于进一步维护的程序在第 1 部分中进行了描述。 1 ISO/IEC 指令的. 尤其, 注意不同类型的 ISO 文件所需的不同批准标准. This document has been drafted in accordance with the editing rules in Part 2 ISO/IEC 指令的 (请参阅 iso.org/directives).

请注意，本文档的某些内容可能受专利权保护. ISO 不负责识别任何或所有此类专利. Details of any patent rights identified during the preparation of the document will be in the introduction and/or list of patent claims received by ISO (参见 iso.org/patents).

Any trade names used in this document are information provided for the convenience of the user and do not constitute an endorsement.

自主性, related standards and conformity assessment related ISO specific and express the meaning of terminology as well as in relevant ISO technical barriers to trade (技术性贸易壁垒) 坚持世界贸易组织原则 (世贸组织) 信息, please refer to the iso.org/iso/foreword.html.

This document is prepared by Technical Committee ISO/TC 35, 油漆和清漆, 小组委员会SC 12, Preparing steel substrates prior to application of paints and related products.

The third edition cancelled and replaced the technically revised second edition (国际标准化组织 8504-1:2000). The main changes from the previous edition are as follows:

— Updating normative references;

— Edit and revise.

ISO 中所有部件的列表 8504 系列可以在 ISO 网站上找到.

Any feedback or questions about this document should be directed to the user’s national standards body. A complete list of these institutions can be found at iso.org/members.html.

国际标准化组织 8504-1-219 “使用油漆和相关产品之前钢基材的准备 – 表面处理方法 – 部分 1: 一般原则”

介绍
The properties of protective coatings applied to steel and related products are significantly affected by the state of the steel surface before coating. The main factors known to affect this performance are

— the presence of rust and dirt,

— The presence of surface contaminants, 包括盐, 灰尘, 油和油脂, 和

– Surface outline.

国际标准化组织 8501, 国际标准化组织 8502, 和ISO 8503 series provide methods for assessing these factors, 而ISO 8504 series provides guidance on preparation methods that can be used to clean steel substrates, indicating the ability of each to achieve specified levels of cleanliness.

These international standards do not contain recommendations for protective coating systems applied to steel surfaces. They do not contain recommendations for surface quality requirements for specific cases, even though surface quality will have a direct impact on the choice of protective coatings and their properties. These recommendations are found in other documents such as national standards and codes of practice. These international standards are used to ensure specified quality

– Compatible with and applicable to the environmental conditions to which the steel is to be exposed and the protective coating system to be used, 和

— Within the capacity of the specified cleaning procedure.

This document should be read in conjunction with ISO 8504-2, 国际标准化组织 8504-3, which describe specific surface treatment methods.

1 范围
This document describes general principles for selecting methods for preparing steel surfaces prior to the application of paints and related products. It also contains information about the characteristics to consider when selecting and specifying certain surface treatments and preparation grades.

2 规范性引用文件
文中引用下列文件，其部分或全部内容构成本文件的要求. 对于注明日期的参考文献, 仅引用版本适用. 对于未注明日期的参考文献, the latest version of the reference (包括任何修订) 适用.

国际标准化组织 8501-1, Preparation of steel substrates prior to painting and related products – 表面清洁度的目视评估 – 部分 1: Rust classes and preparation classes of uncoated steel substrates and steel substrates after the overall removal of prior coatings

国际标准化组织 8501-2, Preparation of steel substrates prior to painting and related products – 表面清洁度的目视评估 – 部分 2: Preparation grade of previously coated steel substrates after local removal of prior coatings

国际标准化组织 8501-4, Preparation of steel substrates prior to coating of paints and related products – 表面清洁度的目视评估 – 部分 4: Initial surface conditions associated with high pressure water jets, preparation class and flash class

国际标准化组织 8502 (所有部分), Preparation of steel substrate – Surface cleanliness Assessment tests prior to coating of paints and related products

国际标准化组织 8503 (所有部分), Preparation of Steel substrate prior to application of paint and related products – sandblasting clean the surface roughness characteristics of steel substrate

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