1. Scope
1.1 This test method covers the determination of the Knoop
indentation hardness of ceramic whitewares and the verification
of Knoop indentation hardness testing machines using
standard glasses.
1.2 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.