CEM II/C-M (S-LL) 42,5 N

Description

Portland composite cement CEM II/C-M (S-LL) 42,5 N is produced according to ČSN EN 197-5. It is a hydraulic powdered binder produced by  grinding together:

• Portland clinker
• LL limestone
• blast-furnace slag
• calcium sulphate
• additional constituents
• additives

These constituents are specified in the article 5 of technical norm EN 197-1.

Use

The cement is used for concrete and reinforced concrete building structures and smaller concrete segments. CEM II/C-M (S-LL) 42,5 N is suitable for the concretes with middle strength development of higher and common strength classes. In comparison with other Portland cements the activity of this cement increases even after 28 days period required by the standard.