This test method is used to determine the percentage of residue having a specified penetration at 100 g/5 s at 25°C (77°F). This test method provides a residue for quality control or for use in other tests as desired.

1.1 This test method is used to thermally reduce cut-back asphalt, a road oil or a semisolid asphalt, having a penetration greater than 100, to a residue of specified penetration.

1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.

1.3 This standard does not purport to address all of the safety concerns, if any, 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. Specific precautionary statements are given in Note 2.