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Modifier A™ / NA Latex for Concrete Modification

Modifier A™ / NA Latex from Trinseo is a concrete modifier that offers a wealth of advantageous features and benefits for the construction industry.

Trinseo’s Modifier A™ / NA Latex is a concrete modifier manufactured to meet latex specifications and concrete performance requirements of the Federal Highway Administration (FHWA). Each shipment is accompanied by a letter certifying conformance to Report No. FHWA-RD-78-35, “Styrene-butadiene Latex Modifiers for Bridge Deck Overlay Concrete.“

Modifier A™ / NA Latex offers a unique combination of properties that result in superior performance and value compared with alternatives. Features include:

  • Compatible as an admixture to portland cement
  • Ease of mixing
  • Excellent adhesion of the overlay to the bridge deck
  • Good workability at low water-to-cement ratios
  • Improved wear resistance
  • Low permeability to protect rebar from corrosion accelerated by deicing salts
  • Lower cost over the life of the project
  • Quick curing capability
  • Reduced crack propagation
  • Reduced modulus of elasticity (results in reduced brittleness and deck stress)
  • Reduced shrinkage

Get in touch with us to learn more about Modifier A™ / NA Latex and discover how we can work together.

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