ASTM C807 – Standard Test Method for Time of Setting of Hydraulic Cement Mortar by Modified Vicat Needle
Description:
Significance and Use
5.1 The purpose of this test method is to establish whether or not a cement complies with a specification limit on time of setting. It has been found to be particularly applicable for the determination of the setting time of expansive cements (see Specification C845/C845M).
Scope
1.1 This test method covers the determination of the time of setting of hydraulic cement mortar by means of the modified Vicat needle.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.