1.1 This test method covers a procedure for rapid, inexpensive
determination of the film hardness of an organic coating
on a substrate in terms of drawing leads or pencil leads of
known hardness.
1.2 This test method is similar in content (but not technically
equivalent) to ISO 15184.
1.3 The values stated in SI units are to be regarded as the
standard. The values given in parentheses are for information
only.
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.