significance And Use:

scope:

1.1 This practice provides information and techniques for evaluating several performance qualities of one-time noncorrectable typewriter ribbons on a comparative basis for general office use, but not for specialized applications such as optical character recognition (OCR), data terminals, etc.

1.2 The 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.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.