Complete CEM III/B identity
The /B subtype, 52.5 class, N class, and SR designation are all retained.
ViewingCEM III/B 52.5 N-SRBlast-furnace / EN 52.5 N-SR
Blast-furnace cement · 66.0% slag
CEM III/B 52.5 N-SR pairs a documented 66.0% slag result with 53.6 MPa (approximately 7,770 psi) at 28 days in one complete EN designation.

Product fit
CEM III/B 52.5 N-SR pairs a documented 66.0% slag result with 53.6 MPa (approximately 7,770 psi) at 28 days in one complete EN designation.
The /B subtype, 52.5 class, N class, and SR designation are all retained.
Strength, setting, soundness, slag, and chemistry results come from the matched certificate.
The reported 66.0% slag result stays prominent from product comparison through the named-port pricing request.
What you’re buying
The designation identifies the cement family, constituents, strength class, early-strength class, and any documented performance category.
Blast-furnace cement subtype
EN cement strength class
Normal early strength class
Evidenced sulfate-resistant designation
Cement-mortar strength
Compare the available test ages in the units your team uses. MPa is the reported value; PSI is a rounded conversion.
| Test age | Source result | Approx. PSI | Reference / limit | Method |
|---|---|---|---|---|
| 2 days | 22.8 MPa | ≈3,310 psi | — | EN 196-1 |
| 28 days | 53.6 MPa | ≈7,770 psi | — | EN 196-1 |
Build a stronger pricing briefCompare cement performance across the stated test ages, then add the project mix target to the commercial brief. Representative product results support fast comparison, with the shipment MTC or COA providing the lot-specific quality record.
Complete product specifications
Compare setting, fineness, soundness, chemistry, and any reported constituent or compound data for this product.
Reported values
| Property | Reported result | Reference / limit | Method |
|---|---|---|---|
| Initial setting time | 125 min | — | EN 196-3 |
| Final setting time | 205 min | — | EN 196-3 |
| Soundness | 2.0 mm | — | EN 196-3 |
| 45 µm retained | 5.3 % | — | EN 196-6 |
Reported values
| Property | Reported result | Reference / limit | Method |
|---|---|---|---|
| Slag content | 66.0 % | — | — |
| Sulfur trioxide · SO₃ | 2.05 % | — | EN 196-2 |
| Chloride · Cl⁻ | 0.02 % | — | EN 196-2 |
| Loss on ignition | 3.45 % | — | EN 196-2 |
| Insoluble residue | 4.16 % | — | EN 196-2 |
Published result profileRepresentative product results support fast comparison, with the shipment MTC or COA providing the lot-specific quality record.

Packing and pricing
Price the complete designation with your preferred pack, total quantity, timing, destination port, and FOB or CIF scope.
42.5 kg bags suit distribution; 1.5 MT FIBCs suit volume handling. Add the tonnage, timing, receiving plan, and port for a clearly scoped shipment offer.
Cement / pack format / destination