1.1This practice describes a procedure for hard creasing paper in a uniform and reproducible manner.

1.2The crease is positioned across the image and the amount of image degradion is determined.

1.3The effect of creasing on the paper surface can also be determined.

1.4The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5This 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.