DRAGON SR
CEM I 42,5R-SR 5 Our DRAGON SR is a medium-high ultimate strength cement, designed primarily for use in aggressive sulphate environments, both in soils and in water and marine environments.
TECHNICAL ADVICE
+34 936 806 030
sat.cmt@molins.es
LOADING SERVICE
In bulk 24h In bags from 6:00 to 17:00h
DELIVERY
Flexible timetable
Additional information
Documents
SPECIAL CHARACTERISTICS
Low tricalcium aluminate contentHigh final strengths.
Low fineness, allowing a reduction in water demand.
TECHNICAL CHARACTERISTICS
| Typical values | Specification according to standard and instruction | |
| Clinker(%) | 96 | min. 95 – max. 100 |
| Limestone(%) | 4 | min. 0 – max. 5 |
| Minority component (%) |
| Chemicals | ||
| Loss on ignition (%) | 2,5 | max. 5 |
| Sulphate, (SO3) (%) | 3,0 | max. 3.5 |
| Chlorides, (Cl) (%) | 0,05 | max. 0.10 |
| Insoluble residue (%) | 0,06 | max. 5,0 |
| Tricalcium aluminate, (C3A)(%) | 3,5 | max. 5,0 (in the clinker) |
| Physical | ||
| Blaine specific surface area (cm2/g) | 3300 | – |
| Le Chatelier expansion (mm) | 0,5 | max. 10 |
| Initial setting time (min) | 150 | min. 60 |
| Final setting (min) | 220 | max. 720 |
| Mechanical | ||
| Compressive strenght at 1 day (MPa) | 26 | min. 20,0 |
| Compressive strenght at 28 days (MPa) | 52 | min. 42.5 – max. 62.5 |
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