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Drilling Fluid Additives

Enhance drilling efficiency & decrease costs

SIM RETARDER®

SIM RETARDER® is a non-chloride liquid admixture for TBM backfill grouts and cementitious applications. It enhances fluidity and extends open time, making it ideal for TBM grouting and concreting projects requiring delayed hydration and setting. Compatible with all cements, it keeps mixes workable and transportable over long distances by delaying set times.


Primary Application

Backfill grouting in tunneling systems

Concreting projects that require delayed hydration and setting times.

Transportation of cementitious mixes over long distances

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  • Improved pumping flowability

  • Liquid form for easy mixing

  • Min. 72 hours workability of fresh concrete

  • Chloride-free, safe for reinforcement

  • Improved pumping flowability

  • Liquid form for easy mixing

  • Min. 72 hours workability of fresh concrete

  • Chloride-free, safe for reinforcement

  • Improved pumping flowability

  • Liquid form for easy mixing

  • Min. 72 hours workability of fresh concrete

  • Chloride-free, safe for reinforcement

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