TAILIEUCHUNG - Designation: C 266 – 99 - Time of Setting of Hydraulic-Cement Paste by Gillmore Needles1

This standard is issued under the fixed designation C 266; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval. | Designation C 266 99 AMERICAN SOCIETY FOR TESTING AND MATERIALS 100 Barr Harbor Dr. West Conshohocken PA 19428 Reprinted from the Annual Book of ASTM Standards. Copyright ASTM Standard Test Method for Time of Setting of Hydraulic-Cement Paste by Gillmore Needles1 This standard is issued under the fixed d ii r atic n c 266 the number immediately fc llc Wr ig the designation indicates the year of original adoption or in the case of revision the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. 1. Scope This test method covers the determination of the time of setting of hydraulic-cement paste by means of the Gillmore needles. 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. See Note 1 for a specific warning Sime me nt. Note 1 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. 2. Referenced Documents ASTM Standards C 151 Test Method for Autoclave Expansion of Portland Cement2 C 183 Practice for Sampling and the Amount of Testing of Hydraulic Cement2 C 187 Test Method for Normal Consistency of Hydraulic Cement2 C 305 Practice for Mechanical Mixing of Hydraulic Cement Pastes and .

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