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Maslak Mh. Ahi Evran Cd. No:21
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SARIYER | ISTANBUL / TURKIYE

800 100 975 20 34

GEO: +995 579 704 933

info@daumer.com

Concreting in Sub-Zero Winter Conditions: Concrete Admixtures Guide

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The moment fresh structural ready-mix concrete leaves the batching plant, it enters a critical battle against the ambient climate. In freezing winter conditions, the water inside the fresh paste crystallizes, halting the essential hydration reaction and shattering the internal matrix. Conversely, in blazing hot summer castings or during long transit times, the mix loses slump rapidly, causing disastrous cold joints. Controlling chemical reactions while minimizing the water-to-cement ratio is the domain of polymer concrete admixtures.

The Solution: Polycarboxylate Ether Matrices and Reactive Curing Agents Daumer designs an advanced lineup of EN 934-2 compliant modifiers that deliver absolute control over mix rheology:

  • Extreme Mechanical Strength & Fluidity: For ultra-high-rise columns and self-consolidating concrete (SCC) applications, the next-generation polycarboxylate ether (PCE) based DAUMIX ULTRAFLOW superplasticizer is mandatory. It sharply reduces mixing water demand by 25-35% while maximizing slump flow, multiplying early and ultimate compressive yield strengths.
  • Sub-Zero Winter Safety: To stop freezing damage on active winter sites, the chloride-free, non-corrosive accelerator DAUMIX ANTIFREEZE or the high-cycle structural accelerator DAUMIX TURBOCAST safely sparks early hydration without degrading internal rebar.
  • Massive Foundations & Hot-Weather Castings: For large radye foundations or mass dam castings during summer peaks, DAUMIX PROCAST extends workability window smoothly, safely dispersing hydration heat to eliminate thermal cracking risks.
  • Integral Crystalline Self-Waterproofing: To transform structural elements into self-sealing blocks without surface membranes, adding DAUMIX KRISTALIZER inside the drum generates millions of insoluble capillary crystals that permanently seal voids. For preventing shrinkage cracks in architectural renders and floor screeds, integrating the premium synthetic-rubber latex DAUMIX ELIXIR optimizes total bond adhesion.