This practice may be used for service evaluation, development, research, and specification acceptance.

The tests will produce significant results only if the control is the same product as the ribbon being tested.

This practice does not establish a standard or impose limits, but provides a means of assigning causes and comparing results.

1.1 This practice covers two tests comparing the amount of flake of film typewriter ribbons.

1.2 A short test is recommended for partially used ribbons where flake is suspected.

1.3 A long test is recommended for use with unused ribbons that can be tested in their entirety.

1.4 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.