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ASTM C191-01

Historical Revision

Standard Test Methods for Time of Setting of Hydraulic Cement by Vicat Needle

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1.1 These methods determine the time of setting of hydraulic cement by means of the Vicat needle. Two test methods are given; Method A is the Reference Test Method using the manually operated standard Vicat apparatus, while Method B permits the use of an automatic Vicat machine that has, in accordance with the qualification requirements of this method, demonstrated acceptable performance.

Note 1—For the method for determining time of setting by Gillmore needles, see Test Method C 266.

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

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. See 1.4 for a specific warning statement.

1.4 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.


SDO ASTM: ASTM International
Document Number C191
Publication Date Nov. 10, 2001
Language en - English
Page Count 6
Revision Level 01
Supercedes
Committee C01.30
Publish Date Document Id Type View
Oct. 1, 2021 C0191-21 Revision
Aug. 1, 2019 C0191-19 Revision
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Nov. 10, 2001 C0191-01 Revision