Gains strength very rapidly,achieving high strength within hours.Exhibits excellent bond strength to various substrates(old concrete,metals).Very dense and virtually impermeable,offering outstanding resistance to water penetration and freeze-thaw cycles.Highly resistant to a wide range of chemicals,including acids,alkalis,salts,and oils.Provides good abrasion resistance and electrical insulation properties.
Main types:Polymer Concrete(PC,cementless)and Polymer Modified Concrete(PMC,cement-polymer emulsion composite).Mechanical properties(compressive,flexural)far exceed those of cement concrete.Different resin systems(e.g.,epoxy for high bond/low shrinkage,polyester for lower cost/fast cure)are selected based on service environment.Pot life and cure time can be adjusted with hardeners.
Primarily for repair:crack injection/grouting,patching spalled elements,anchoring/grouting machinery bases.For chemical plants,electroplating facilities,wastewater plants:floors,trenches,corrosion-resistant linings.Manufacturing precast elements:artificial stone,countertops,cable covers.Also for rapid road patching and airport runway repairs requiring fast return to service.
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