Description
Product Description
SikaRapid®-1 is a liquid admixture used to accelerate the hardening process of concrete and mortar. It enhances early strength development and allows faster formwork removal or earlier use of precast elements.
This chloride-free accelerator is ideal for applications in cold weather conditions, precast concrete, and shotcrete.
Advantages
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
Usage
SikaRapid-1 is especially suitable for any application where fast early strength development plays a major role, or is of crucial importance within 6 to 24 hours. SikaRapid-1 is used for the following applications:
- Precast concrete
- Ready-mixed concrete where early demoulding is essential
- Cold ambient temperatures to achieve sufficient strength gain
- Slip-formed concrete
- Ready-mixed concrete where minimum time delays are critical
Packaging
200 L drum, 1000 L flowbin
Colour
Red liquid

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