ASTM D622-99Standard Test Methods for Rubber Hose for Automotive Air and Vacuum Brake System
ASTM D622 is a test method intended for use in testing the conventional types of hose employed for the operation of air brake and vacuum brake systems, either on a single motor vehicle or as connecting or transmission lines in a combination of vehicles
Before conducting ASTM D622, it is important to read the entire specification. Standards can be obtained from appropriate standard authorities.