Sika Sikacrete 421 CI Rapid
Short Description
One-Component, Early Strength Gaining Concrete Containing Factory Blended Coarse Aggregate
Sikacrete-421 CI Rapid is a one-component, early strength-gaining concrete containing factory blended coarse aggregate. This concrete is air entrained and also contains a migrating corrosion inhibitor.
USES
Full depth repairs
On grade, above, and below grade on concrete
On horizontal surfaces
Vertical and overhead surfaces when formed and pumped or poured
As a structural repair material for parking facilities, industrial plants, walkways, bridges, tunnels, dams and balconies
Filler for voids and cavities
CHARACTERISTICS / ADVANTAGES
High early strength
Fast-setting
Integral corrosion inhibitor
Prepackaged coarse aggregate: Eliminates need to extend material in the field; Eliminates the risk of reactive aggregate
Excellent workability and finishing characteristics
Rapid hardening as defined by ASTM C-928 (Type R3)”
