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ASTM C451-04a

Historical Revision

Standard Test Method for Early Stiffening of Hydraulic Cement (Paste Method)

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1.1 This test method covers the determination of early stiffening in hydraulic-cement paste.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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.

Warning-Fresh hydraulic-cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure. The use of gloves, protective clothing, and eye protection is recommended. Wash contact area with copious amounts of water after contact. Wash eyes for a minimum of 15 min. Avoid exposure of the body to clothing saturated with the liquid phase of the unhardened material. Remove contaminated clothing immediately after exposure.

1.3 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.


SDO ASTM: ASTM International
Document Number C451
Publication Date Nov. 1, 2004
Language en - English
Page Count 3
Revision Level 04a
Supercedes
Committee C01.30
Publish Date Document Id Type View
Oct. 1, 2021 C0451-21 Revision
Aug. 1, 2019 C0451-19 Revision
Oct. 1, 2018 C0451-18 Revision
Dec. 1, 2013 C0451-13 Revision
June 1, 2008 C0451-08 Revision
July 15, 2007 C0451-07 Revision
May 1, 2005 C0451-05 Revision
Nov. 1, 2004 C0451-04A Revision
Jan. 1, 2004 C0451-04 Revision
Jan. 10, 1999 C0451-99 Revision