ASTM D243-97

1.1 This test method is used to thermally reduce 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 inch-pound units are to be regarded as the standard. The Si 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.