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SECAR® 51

SECAR® 51 is a fused hydraulic binder with a mineralogy focused on monocalcium aluminate to give strong hydraulic activity and impart excellent mechanical properties to conventional concretes. This binder is recommended when rapid hardening properties are required. It is adapted to all types of placing methods, particularly casting and gunning at service temperature of 1400°C and above. The low iron oxide content of SECAR® 51, when combined with appropriate aggregates, makes it particularly suitable for concretes having to withstand carbon monoxide reducing atmospheres.

SECAR® 51

Typical properties of a castable based on SECAR® 51

Formulation type
Conventional castable based on chamotte (40% Al2O3) 15% cement
Water addition (%)
11
Flow (%) -ASTM C230
Initial flow
125 
At 30 minutes
100 
At 60 minutes
100 
Working time (minutes)
After 20 seconds vibration
170 
Compressive strength (MPa)
After drying at 110°C for 24 hours
68 
After firing at 800°C for 6 hours
40 
After firing at 1100°C for 6 hours
32 

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SECAR® Range

Global multi-references
for calcium aluminates

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