5. Preparation of Cement Paste4
5.1 Mix 650 g of cement with the percentage of mixing
water required for normal consistency following the procedure
described in Practice C 305. Distilled water is preferable and
shall be used for all referee or cooperative tests.
5.2 The test specimen used for the determination of normal
consistency may be used for the additional determination of
time of setting by Vicat needle following the procedure
described in 6.2.