ADDMIX-21 is a specially formulated combination of polymers and modifiers designed to enhance the performance properties of Portland cement based mixes by increasing flexural, compressive, & tensile strengths while also improving adhesive bond.

  • An ideal admixture to use in concrete, repair mortars, thin overlays, stucco and bedding mortars
  • Improves resistance to chipping and cracking
  • Reduces shrinkage
  • No damp curing
  • Protects against repeated freeze thaw cycles
  • Resists staining
  • Improves water resistance
  • UV stable
  • May be used as surface primer and bonding agent prior to placing material

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