Descripción
Es un aditivo diseñado para acelerar las resistencias mecánicas del concreto a edades tempranas, sin afectación de los tiempos de fraguado y sin decremento de las resistencias finales. Listo para ser usado a bajas dosificaciones. Accelguard AR no contiene iones cloruro adicionado en su formulación. Accelguard AR cumple los requerimientos de la ASTM C 494 como aditivo tipo S.
Aplicaciones Principales
- Fabricación de elementos prefabricados donde se requiere alcanzar un alto porcentaje de las resistencias de diseño a edades tempranas: 8, 12, 14, 16, 18 horas.
- Concretos ultrarrápidos donde se necesita poner al servicio al menor tiempo posible, sin pérdida considerable de la trabajabilidad.
- Concretos de alto desempeño donde exista requerimientos de resistencia tempranas.
- Concreto prefabricado y concreto postensado, donde no es posible la presencia de cloruros.
Características / Beneficios
- Dosis de aditivo con un excelente costo-beneficio medido a partir de su desarrollo de resistencia a todas las edades.
- Reduce los costos de energía asociados al curado con vapor de los elementos prefabricado.
- Acelera el desarrollo de resistencias tempranas sin detrimento de las resistencias a 28 días respecto a un testigo.
- Permite la reutilización de las cimbras ya que su remoción es más rápida.
- Es compatible con todos nuestros aditivos plastificantes y superplastificantes.
Información Técnica
Resultados típicos de ingeniería
Densidad: 1.01 +/-0.01 g/ml
pH: 10.00 +/-1.00
Tiempo de Vida
12 meses en el envase original cerrado.
Limpieza
Limpie con agua las herramientas y el equipo antes que se
endurezca el mortero.
Normas / Cumplimientos
Está formulado para cumplir con las especificaciones
para aditivos ASTM C 494 Tipo C.
Instrucciones de Uso
El desarrollo de resistencias a edad temprana está relacionado con el cemento a emplear (CPC40 ó CPC 40 R) y la dosis óptima para alcanzar dicha resistencia a 8, 10, 12 14
16 ó 18 horas, según sea el requerimiento de obra. Para lograr el mejor costo-beneficio, se recomienda realizar las pruebas preliminares en laboratorio con el apoyo de nuestro Asesor Técnico Comercial. Normalmente la dosis óptima se encuentra entre 2.5 a 5.0 cc/kg de cemento ACCELGUARDAR debe ser dosificado en la última etapa de
la mezcla, una vez que se han adicionado e integrado los aditivos reductores de agua de alto rango. Debe permitirse su integración mezclando por 5 minutos más.
Precauciones / Limitaciones
- Protéjase contra congelamiento almacenar a temperaturas mínimo de 5 °C.
- No vierta directamente sobre el cemento seco.
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