Factory lowest 50kg cement price 32.5/42.5/52.5 | ||||
Cement with high strength, high early strength, good abrasive-resistance and front resistance, short hydration time and strong cement structure; | ||||
Usages: Normally used in common industry or civil construction such as road, railway, bridge, tunnel etc. Not suitable for underground sulfate condition, high temperature condition or construction with high hydration requirement. | ||||
Test item | GB 175-2007 Standard | Ex-Plant Test result | ||
Chemical analysis | ||||
Insoluble residue (%) | - | - | ||
Loss on ignition (%) | 5 | 3.31 | ||
SO3 (%) | ≤3.5 | 1.92 | ||
MgO(%) | ≤5.0 | 4.87 | ||
Chloride (%) | ≤0.06 | 0.049 | ||
Alkali Content (%) | - | - | ||
Physical Properties | ||||
Fineness | Blaine permeability m2/kg | 300 | 381 | |
45μm Sieving residue (%) | - | - | ||
Setting time | Initial Setting Time (min) | ≥45 | 169 | |
Final Setting Time (min) | ≤600 | 251 | ||
Soundness | Expansion (mm) | ≤5.0 | 1.3 | |
Compressive Strength (Mpa) | 3 days | ≥17 | 25.6 | |
28 days | ≥32.5 | - | ||
Flexural Strength (Mpa) | 3 days | ≥3.5 | 5.8 | |
28 days | ≥5.5 | - |