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ASTM C949-80(2016)

Historical Reaffirmation

Standard Test Method for Porosity in Vitreous Whitewares by Dye Penetration

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1.1 This test method covers procedures for detecting pores, cracks, or other voids that may be present in otherwise impermeable whiteware ceramics, or as porosity in underfired ware.

Note 1: This test method was partially derived from ANSI C29.1.

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


5.1 This test method provides a means for readily determining if a ceramic is properly fired (matured). Penetration of any extent may negate the usefulness of the ceramic, or, arbitrarily, some degree of penetration may be acceptable for the use or commercial quality of the item being tested.

SDO ASTM: ASTM International
Document Number C949
Publication Date Nov. 1, 2016
Language en - English
Page Count 4
Revision Level 80(2016)
Supercedes
Committee C21.03
Publish Date Document Id Type View
Nov. 1, 2020 C0949-80R20 Reaffirmation
Nov. 1, 2016 C0949-80R16 Reaffirmation
April 1, 2012 C0949-80R12 Reaffirmation
May 1, 2007 C0949-80R07 Reaffirmation
Jan. 1, 2000 C0949-80R00 Reaffirmation
Jan. 1, 2000 C0949-80R95E01 Reaffirmation