
SikaRapid®-1 is a liquid hardening accelerator for con-crete and mortar. It meets the requirements for hardening accelerators according to EN 934-2. SikaRapid®-1 promotes early strength developmentwithout negatively influencing final strengths. Suitable for use in tropical and hot climatic conditions.
Features:
SikaRapid®-1 provides the following advantages through accelerated hardening of the concrete:
Faster turnaround of formwork in precast applications▪Reduced or eliminated heat or steam curing
Fast construction processes and early load bearing capacity
Continuous concreting at low temperatures
No negative effects on the final strengths
When applied with a superplasticizer, SikaRapid®-1 will not change the fresh concrete properties produced by the superplasticizer. SikaRapid®-1 does not contain chlorides or any other ingredients which promote the corrosion of steel. It is therefore suitable for use in reinforced concrete
Resources:
Sika Catalogue 2026
Available Documents
Technical/Product Data Sheet (TDS/PDS)




