TamCem RMA 79 – Rheology modifying admixture for improving the performance of wet and hardened concrete

TamCem RMA 79 can enhance productivity with the ability to improve the performance of your sprayed concrete by improving mix design robustness and cohesion with all different types of sand and aggregate grading. With an improved concrete admixture, the rebound is reduced, and less dust is dispersed during the spraying process, resulting in less waste and reducing the risk of respiratory problems to workers.

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Key Benefits
  • Enhances sprayability properties
    • Increase mix design robustness allowing moisture and gap grading tolerances
    • Improves cohesion - minimise the need for additional wash out between sprays
    • High early strength
    • Ability to increase build thickness in a single pass
    • Reduce the need to clean up waste from rebound
  • Minimise the excess use of materials and the need for disposal of incoherent admixtures
    • Reduce bleeding and segregation
    • Reduce rebound
  • Minimise the respiratory hazards to the operator
    • Reduce dust when mixing due to its liquid form
    • Reduce dust during spraying
Typical Applications
  • Temporary and permanent rock support in mining and tunnelling
  • Slope stabilisation
  • Suitable for ready mix and precast concrete use
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