Sika® Sigunit® L-53 TH
Alkali Free Liquid Shotcrete Accelerator For Wet or Dry Shotcrete Process
Sika® Sigunit® L-53 TH is a high performance, liquid, alkali-free shotcrete accelerator.
Sika® Sigunit® L-53 TH provides the following benefits:
- Alkali free (non-caustic) and classified as non-toxic product
- Fast to very fast setting of shotcrete mixes according to dosage used
- No strength loss of the accelerated concrete if used correctly
- No additional contamination of mountain and ground water due to washed out alkalis
- Large reduction in rebound as long as the spraying is performed according to the state of the art
- Improves bond of shotcrete to rock and concrete, making overhead spray easier
- Free of chlorides, no danger to steel reinforcement and steel fibers
- Comply with the requirements of the tests as specified in the standard GB/T 35159-2017 Flash setting admixture for shotcrete