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, 相关标准和合格评定相关的ISO特定术语和表达的含义以及ISO在技术性贸易壁垒中的含义 (技术性贸易壁垒) 坚持世界贸易组织原则 (世贸组织) 信息, please see 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.

第二版取消并取代第一版 (国际标准化组织 8504-3:1993), 已进行技术修订.

The main changes from the previous edition are as follows:

— Add rotary impact tools to power tool types;

— Use assessment instead of inspection in article 6.

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 www.iso.org/members.html.

国际标准化组织 8504-3-318 “涂装油漆和相关产品前钢基材的准备 – 表面处理方法 – 部分 3: 用手和电动工具清洁”

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 include:

A) There is corrosion and mill scale;

乙) The presence of surface contaminants, 包括盐, 灰尘, 油和油脂;

C) 表面轮廓.

国际标准化组织 8501 和ISO 8502 准备好提供评估这些因素的方法, 而ISO 8504 提供可用于清洁钢基材的制备方法的指导, indicating the ability of each method to achieve specified levels of cleanliness.

These international standards do not contain recommendations for protective coating systems applied to steel surfaces. They also do not contain recommendations on surface quality requirements for specific cases, even though surface quality can directly influence the choice of protective coating to be applied and its properties. These recommendations are found in other documents such as national standards and codes of practice. Users of these international standards should ensure that the stipulated quality is:

– Compatible with and applicable to the environmental conditions to which the steel will be exposed and the protective coating system to be used;

— Within the capacity of the specified cleaning procedure.

The above three international standards cover the following aspects of steel substrate preparation:

— 国际标准化组织 8501 (所有部分) : 表面清洁度的目视评估;

— 国际标准化组织 8502 (所有部分) : 表面清洁度评估测试;

— 国际标准化组织 8504 (All Parts) : Surface treatment method

这些国际标准中的每一个都分为不同的部分.

The main objective of the finish is to ensure the removal of harmful substances and to obtain a surface that allows satisfactory adhesion of the primer to the steel. It also helps reduce the amount of contaminants that cause corrosion.

This document describes how to clean hand and power tools. It should be read in conjunction with ISO 8504-1.

Hand and power tool cleaning is a surface treatment method that usually provides a lower surface cleanliness than that achieved by sandblasting. These methods in most cases require the use of multiple types of power tools when results similar to sandblasting cleaning are required, making the surface treatment complex and expensive. Oil, grease and corrosion irritants such as chlorides and sulfates are usually not removed.

Power tool cleaning usually provides a better base for primer than hand tool cleaning, resulting in better paint performance.

Both hand and power tool cleaning are suitable surface treatments. Hand tool cleaning in particular requires the use of a primer with good surface wetting ability. Power tool cleaning is appropriate when a higher quality finish grade is required, sandblasting cleaning is not allowed or is not considered feasible by interested parties.

Representative photographic examples of St 2, St 3, PSt 2, PSt 3, and PMa (参见 ISO 8501-1 和ISO 8501-2) for evaluation of some new and previously coated steel surfaces cleaned using hand or power tools. Since many different situations arise during surface preparation and these photographs are not always sufficient to describe specific instances, it is recommended that special photographs of treated reference areas acceptable to all parties be made as the basis for further surface preparation procedures.

国际标准化组织 8504-3-318 “涂装油漆和相关产品前钢基材的准备 – 表面处理方法 – 部分 3: 用手和电动工具清洁”

1 范围
This document describes methods for cleaning steel substrates with hand and power tools prior to applying paint and related products. It is suitable for both new steel structures and previously coated steel surfaces that show areas of decomposition that require maintenance paint. It describes the equipment to use and the procedures to follow.

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

3 术语和定义
就本文件而言, 以下术语和定义适用.

3.1 Cleaning Hand Tools

A method of preparing steel substrates using hand tools without power assistance

笔记 1: chipping mallet, hand scraper, hand wire brush, sandpaper, and plastic wool embedded with abrasive are usually used. Sometimes hand tool cleaning is done initially to remove relatively loose contaminants before using power tools.

3.2 Clean Power Tools

A method for preparing steel substrate using a power-assisted hand tool, but excluding shot blasting cleaning

笔记 1: Rotary descaler, rotary wire brush, rotary impact tool, sander, sander, rotary abrasive coated paper wheel (turning wheel), abrasive grinder, plastic wool with embedded abrasive, chipping hammer and needle gun, driven by electric or pneumatic, or connected to remote or robotic equipment, are examples of equipment commonly used.

3.3 水, solvent or chemical cleaning

Method of removing visible oil, grease, dirt or processing lubricants and other soluble contaminants from steel surfaces

笔记 1: For more details and cleaning methods, 参见 ISO 12944-4:2017, 6.2.

3.4 Contaminated surfaces

A surface with substances that are harmful to the performance of the protective coating system

笔记 1: Typical contaminants include slag, rust, laminate rust, mill scale, 油, grease, flux and weld spatter, soluble iron corrosion products, and other soluble salts, including chloride and sulfate.

3.5 Cleaning Surfaces

A surface where contaminants have been removed to a specified or agreed surface cleanliness level

笔记 1 Full details are provided in ISO 8501-1 和ISO 8501-2.

仅标准信息部分是公开的. 查看完整内容, 需要通过官方渠道购买标准.