PURIM ALL GROUTIAC OPERATIONS A ALL MORTAR AND GROUT SHALL NAVE A MINI/RIM 25 DAYS COMPRESSIVE STREAM ARIAL TO MOO 1,57 AND IWO PSI. RESPECTIVELY ADMIATIMES WHEN USED SHALL AT PER MANUEMIIIRERS RECOMMENDATION AND WITH APPROVAL OF THE BUNDIAC OFFICIAL • PORTLAND CEMENT - ASTM CASE. TYPE /A LOW ALKALI