Sikacrete®-421 CI Rapid

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.

  • 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)