According to EN 197-1
Chemical requirements | Physical requirements | Mechanical requirements |
---|---|---|
sulfates (as SO3) ≤ 3,5 % | initial setting time ≥ 75 min | early compressive strength (2 days) ≥ 10,0 MPa |
chlorides ≤ 0,10 % | soundness (expansion) ≤ 10 mm | standard compressive strength (28 days) ≥ 32,5 MPa and ≤ 52,5 MPa |