CEM I 42,5 R (na)
Description
CEM I 42,5 R (na) Portland cement is produced in accordance with ČSN EN 197-1 ed. 2. It is a hydraulic binder in powder form with reduced content of Na2Oekv. produced by grinding together:
- Portland clinker (K)
- calcium sulphate
- additional constituents
- additives
Use
It is used for construction of roads, which is a requirement for the content of alkali Na2Oekv. in cement max. 0.8% ( according to technical conditions TP 137).