ASTM-C266 › Standard Test Method for Time of Setting of Hydraulic-Cement Paste by Gillmore Needles
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1.1 This test method covers the determination of the time of setting of hydraulic-cement paste by means of the Gillmore needles.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 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.
1.4 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.
FIG. 1 Gillmore Apparatus and Test Specimen
1.5 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.
Significance and Use
5.1 The purpose of this test method is to establish whether a cement complies with a specification limit on Gillmore time of setting.
gillmore needles; hydraulic cement paste; time of setting ;; ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)
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Oct. 1, 2018