ATZ PORTLAND CEMENT CEM I 52.5N
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Cement
ATZ PORTLAND CEMENT CEM I 52.5N is a high-strength cement made from finely ground clinker and gypsum, it offers superior early and long-term strength, durability, and stress resistance. Ideal for high-performance concrete, prestressed structures, and rapid strength development projects
Applications
This cement is suitable for prefabricated concrete elements, ready-mix concrete, prestressed concrete, mortar, and plaster. It offers excellent workability and adhesion, making it a versatile choice for construction projects.
Specification
ATZ PORTLAND CEMENT CEM I 52.5N complies with the 52.5N strength class of EN 197-1:2011 for common cements. Where "CEM I" refers to Portland Cement.
TYPICAL PROPERTIES (This specification can be varied little on each production batch)
|
Chemical Content Not Requirement (%) |
Spect.Limit |
Typical results |
Test Method |
|
Silicon Dioxide (SiO2) |
A |
20.66 |
EN 196-2 |
|
Alumium Oxide (Al2O3) |
A |
5.82 |
|
|
Ferric Oxide (Fe2O3) |
A |
3.30 |
|
|
Calcium Oxide (CaO) |
A |
60.74 |
|
|
Chemical Content Requirement (%) |
Spect.Limit |
Typical results |
Test Method |
|
Magnesium Oxide (MgO) |
≤ 5.0 |
- |
EN 196-2 |
|
Sulfate content (SO3) |
≤ 4.0 |
2.30 |
|
|
Loss on Ignition (LOI) |
≤ 5.0 |
1.50 |
|
|
Insoluble Residue (IR) |
≤ 5.0 |
0.35 |
|
|
Na2Eq (Na2O+0.658*K2O) |
≤ 0.8 |
- |
|
|
Physical Properties |
Spect.Limit |
Typical results |
Test Method |
|
Setting times: minutes Initial: Final: |
≥ 45 ≤ 420 |
165 200 |
EN 196-3 |
|
Soundness (expansion): mm |
≤ 10.0 |
0.1 |
|
|
Fineness Test (Blaine): |
≥ 3200 |
3998 |
EN 196-6 |
|
Retained content on sieve 45 μm: % |
≤ 12.0 |
1.0 |
|
|
Compressive Strength (Mpa) |
Spect.Limit |
Typical results |
Test Method |
|
Artive Compressive strength After 2 days After 7 days After 28 days |
≥ 20.0 - ≥ 52.5 |
24.1 45.8 54.2 |
EN 196-1 |
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