1.1 This test method covers the determination of the Knoop indentation hardness of glass 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ASTM C730-98(2021) Referenced Document
ASTM E384 Standard Test Method for Microindentation Hardness of Materials
ASTM E4 Standard Practices for Force Verification of Testing Machines
ASTM C730-98(2021) history
2021ASTM C730-98(2021) Standard Test Method for Knoop Indentation Hardness of Glass
2013ASTM C730-98(2013) Standard Test Method for Knoop Indentation Hardness of Glass
2008ASTM C730-98(2008) Standard Test Method for Knoop Indentation Hardness of Glass
1998ASTM C730-98(2003) Standard Test Method for Knoop Indentation Hardness of Glass
1998ASTM C730-98 Standard Test Method for Knoop Indentation Hardness of Glass