Report - Concreto de Alto Desempeño - gultra.org · Sio2+Al2O3+Fe2O3 94% 70% mín SO3 0.8% 5% máx Índice de Actividad Hidráulica a 28 días 100% 75% mín Retenido No. 325 (malla 45) 2.4%

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