Grey portland cement
US $40.00
Share on (10000006627246):
Model Number:42.5, 32.5, 52.5,
Color:Grey
Feature:Acid-Proof, Anti-Algae, Decorative, Expansive, Radiation-Resistant, Sulfate Resistant
Main Raw Material:Silicate
Type:Silicate Cement / Portland Cement
Hardening Feature:Extra Rapid Hardening, Rapid Hardening
Heat of Hydration:Low-Heat
Strength Grade(Mpa):42.5R
Fineness:>90um
Technique:Dry Process
Content of Sulfur Trioxide:8.5-10.5
Magnesia Content:1.5-2.0
Cement Fineness:480
Standard:GB
MGO:3.87
| Specification | Chemical composition(%) | |||||
| CaO | Al2O3 | SiO2 | Fe2O3 | TiO2 | MgO | |
| High-calcium products | 50-55% | 38-44% | ≤5.0 | ≤2.0 | ≤2.0 | ≤2.0 |
| High-alumina products | ≤48 | ≥42 | ≤5.0 | ≤2.0 | ≤2.0 | ≤2.0 |
| Non-crystallization rate | Over 95% | |||||
| Specific surface area | 5000-6000 m2/g | |||||
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