1.1''These test methods cover the degree of dispersion of carbon black in rubber. Four test methods are described as follows:

''	Sections
''''''Test Method A'''Visual Inspection	'''3 ''' 11
''''''Test Method B'''Agglomerate Count	12 ''' 22
''''''Test Method C'''Microroughness Measurement	''
''''''''''''with Profilometer	23 ''' 33
''''''Test Method D'''Microroughness Measurement with IFM	34 ''' 42

1.2''The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4''This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.