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5. Cement identification
5.1 Designation and marking
Cements must be identified at least by their type (Roman numeral) and by a number indicating the strength class (e.g. 32.5). To indicate that the cement has a high early strength, the letter R is added. Any additional characteristics are indicated by a PMIES/CP symbol.
CEM I 42.5 R PM is a Portland cement containing at least 95% clinker, class 42.5, with high early age strength and recognized as suitable for use at sea (figure 1 ).
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Cement identification
Production of common cements
Standards
- Hydraulic binders – Common cements – Composition, specifications and conformity criteria [Cancelled September 7, 2015] - NF P15-301 - Juin 1994
- Hydraulic binders – Cements for tropical use – Composition, specifications and compliance criteria - NF P15-302 - Septembre 2006
- Hydraulic binders – Masonry cements – Composition, specifications and compliance criteria [Cancelled June 18, 2016] - NF P15-307 - Décembre 2000 ...
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