Portland cement class 42.5 rapid hardening (CEM I 42.5R)

Complies with GOST 31108-2003 “Common cements. Specifications” (harmonised with the European standard EN 197-1).

Rapid hardening Portland cement of class 42.5 gains strength faster at early ages thanks to a higher content of tricalcium silicate (C₃S) and finer grinding.