1.1 This test methods covers the determination of longitudinal air permeability for tire fabrics, tire cord fabrics, tire cords, or yarns embedded in cured rubber compound. The test method is designed to demonstrate the effectiveness of fabric treatments intended to prevent air permeability. The method is applicable to fabrics made from all types of fibers with all types of rubber compound.

1.2 This test method is written in SI units. The inch pound units which are provided are not necessarily exact equivalents of the SI units. Either system of units may be used in this test method.

1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.> See the Note in 11.1.