High Early Strength Portland Cement
Properties
High Early Strength Portland Cement only requires 3 days to show the strength that Ordinary Portland Cement shows in 7 days.
Applications
High Early Strength Portland Cement is particularly suitable for works where rapid setting and rapid hardening properties are beneficial, for example, for urgent works being carried out in cold weather to keep schedules.
Testing result (example)
| Item | High Early Strength Portland Cement | JIS * Standards (JIS R 5210) |
|
| Density (g/cm3) | 3.14 | – | |
|---|---|---|---|
| Specific Surface Area (cm2/g) | 4650 | More than 3300 | |
| Setting | Initial Set h-min Final Setting h-min |
1-40 2-40 |
More than 45min Less than 10h |
| Soundness (Pat Test) | Qualified | Qualified | |
| Compressive Strength (N/mm2) | 1d 3d 7d 28d |
30.2 47.6 57.5 67.4 |
More than 10.0 More than 20.0 More than 32.5 More than 47.5 |
| Chemical Composition (%) | Magnesium oxide Sulfur trioxide Ignition loss Total alkali Chloride ion |
1.55 3.12 1.16 0.42 0.006 |
Less than 5.0 Less than 3.5 Less than 5.0 Less than 0.75 Less than 0.02 |
* : JIS: Japanese Industrial Standards
Note : If High Early Strength Portland Cement is used for soil improvement, elution tests should be conducted with soil to be used in advance.
Availability
Our High Early Strength Portland Cement is available in bulk, flexible containers and 25 kg bags.
Note : Availability of products and packing types varies from region to region. Please contact your nearest branch office for further information.
Safe Application Guide for Flexible Containers
When using flexible containers, please refer to the diagram and warnings shown in this Safe Application Guide and use them with full care.