Construction Cement

Product name Construction Cement
Cement designation CEM II/B-M (T-L) 42,5 R
Standard EN 197-1:2011
Standard name of cement Portland-Composite Cement
Strength class of cement 42,5 R
Number of the certificate of constancy of performance 1504-CPR-0622
Issued by and No Tallinna Sertifitseerimisasutus OÜ
Declaration of performance 1504-CPR-0622
Characteristics  
Compressive strength, MPa  
After 1 day 20
After 2 days 33
After 28 days 56
Setting time, min 110
Portland cement clinker with gypsum, % 77
Burnt shale, % 16
Limestone, % 7
Fineness m2/kg 530
The letter R in the strength class designation of cement refers to high early strength of the cement.
The letter N in the strength class designation refers to ordinary early strength of the cement.