A minimum initial setting time of 30 minutes and a maximum final setting time of 600 minutes . Compressive Strength: ≥is greater than or equal to ≥is greater than or equal to ≥is greater than or equal to 3. Manufacturing and Composition IS 12269 (1987): 53 grade ordinary Portland cement
1. Scope and Definition
To ensure structural integrity and workability, the cement must meet several strict physical benchmarks: Must have a minimum specific surface area of 225 , measured using the Blaine air permeability method . 12269 rar