意义和用途

2.1 Clean compressed air is required to prevent contamination of the coating material and the surface prepared for coating. The test method is a visual inspection technique used to determine oil or water in compressed air. Other types of contamination may require additional analytical techniques for detection.

ASTM D4285-18 指示压缩空气中油或水的标准测试方法

范围

1.1 该测试方法用于确定喷砂用压缩空气中是否存在油或水, 喷砂清理和涂层施工作业.

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

1.3 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, health and environmental practices and determining the applicability of regulatory restrictions prior to use. 参见章节 4 for a specific description of the hazards.

1.4 This international standard is developed in accordance with the internationally recognized standardization principles established in the “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.