意义及用途

4.1 表面清洁用于准备混凝土表面以进行轻型服务涂层.

4.2 This practice is used alone only if the protection system is used for continuous or intermittent immersion, mechanical loading or for protection systems that require good bonding for satisfactory performance (see specifications D4259 and D4260).

ASTM D4258-2017 涂层表面清洁混凝土的标准实践

半径

1.1 This practice includes surface cleaning of the concrete prior to coating to remove grease, dirt and loose material. Procedures include broom cleaning, vacuum cleaning, jet cleaning, water cleaning, detergent water cleaning and steam cleaning.

1.2 This practice is not intended to alter the surface profile of the concrete, but to clean the surface.

1.3 Values in inch-pounds shall be considered as standard values. 本标准不包含其他计量单位.

1.4 本标准并非旨在解决所有安全问题, 如果有的话, 与其使用相关. 本标准的使用者有责任建立适当的安全机制, 健康和环境实践，并在使用前确定监管限制的适用性. 参见章节 5 对于具体的危险描述.

1.5 国际标准基于国际公认的标准化原则 “关于国际标准制定原则的决定, 指南和建议” 由技术性贸易壁垒委员会发布 (技术性贸易壁垒) 世界贸易组织.