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Historical Revision

ASTM C849-88(1999)

Standard Test Method for Knoop Indentation Hardness of Ceramic Whitewares
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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 may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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.

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 may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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.

SDO ASTM: ASTM International
Document Number C849
Publication Date Oct. 10, 1999
Language en - English
Page Count 5
Revision Level 88(1999)
Supercedes
Committee C21.03
Publish Date Document Id Type View
June 1, 2025 C0849-88R25 Revision
Nov. 1, 2020 C0849-88R20 Revision
July 1, 2016 C0849-88R16 Revision
March 1, 2011 C0849-88R11 Revision
Feb. 15, 2006 C0849-88R06 Revision
Oct. 10, 1999 C0849-88R99 Revision