Kahulugan at Gamit

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 para sa Pagpapahiwatig ng Langis o Tubig sa Compressed Air

Saklaw

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. Walang iba pang mga yunit ng pagsukat ang kasama sa pamantayang ito.

1.3 Ang pamantayang ito ay hindi nilayon upang matugunan ang lahat ng mga isyu sa kaligtasan, kung meron man, na nauugnay sa paggamit nito. Users of this standard are responsible for establishing appropriate safety, health and environmental practices and determining the applicability of regulatory restrictions prior to use. Tingnan sa Bahagi 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 “Desisyon sa Mga Prinsipyo para sa Pag unlad ng Internasyonal na Pamantayan, Mga Patnubay at Rekomendasyon” inisyu ng Committee on Technical Barriers to Trade (TBT) ng World Trade Organization.