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TamShot 90AF


TamShot 90AF is commonly used for wet mix sprayed concrete processes in the tunnelling and mining industry. The product is applied where initial ground support is needed or where a permanent lining has been designed (single shell tunnel lining).

TamShot 90AF is a high-performance quick-setting liquid set accelrators for sprayed concrete applications.

TamShot 90AF may also be used to accelerate cementitious-based grouts for TBM tunnel lining backfilling and ground stabilization works.

By adjusting the dosage, setting times and rebound can be reduced providing a safe and efficient work environment.

Fast setting times and continued high early-age strength gain allows for spraying in thicker layers.

Key specification

  • Alkali-Free Accelerator for Sprayed Concrete Applications
  • High performance sprayed concrete set accelerator

Key benefits

  • Fast setting times and continued high early age strength gain allows for spraying in thicker layers.
  • High final compressive strength development after 28 days and excellent long-term durability.
  • Assured performance also at low temperatures and onto wet substrate conditions.
  • Very low dust production during application ensures a safer working environment.

Typical applications

  • Sprayed concrete ground support in tunnels and mines
  • Slope stabilization
  • Accelerated cementitious injection grout
  • Segment lining backfill grout


TamShot 90AF

TamShot 90AF Technical Data Sheet - Global Version

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