CEM I
01
Ordinary Portland
General-purpose structural cement. Bridges, high-rise, precast, ready-mix.
Strength class42.5 N / 52.5 N
StandardEN 197-1
Blaine3200–4200 cm²/g
C₃A contentstandard
Highlights
- 42.5 N (28-day strength ≥ 42.5 MPa) — standard construction
- 52.5 N (28-day strength ≥ 52.5 MPa) — high-rise & precast
- Bag or bulk · 50 kg PP laminated / 1.5 MT jumbo / loose bulk
Specification
Standards
EN 197-1 · ASTM C150 Type I
28-day strength
42.5–62.5 MPa
Blaine fineness
3200–4200 cm²/g
SO₃
≤ 3.5%
C₃A
standard
Chloride
≤ 0.10%