Meaning and Use

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 Standard Test Method for Indicating Oil or Water in Compressed Air

Scope

1.1 This test method is used to determine the presence of oil or water in compressed air used for sandblasting, blast cleaning and coating construction operations.

1.2 Values in inch-pounds should be considered standard values. No other units of measurement are included in this standard.

1.3 This standard is not intended to address all safety issues, if any, associated with its use. Users of this standard are responsible for establishing appropriate safety, health and environmental practices and determining the applicability of regulatory restrictions prior to use. See Section 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 “Decision on Principles for the Development of International Standards, Guidelines and Recommendations” issued by the Committee on Technical Barriers to Trade (TBT) of the World Trade Organization.