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What is slag cement used for?

Slag cement is most widely used in concrete, either as a separate cementitious component or as part of a blended cement.  It works synergistically with portland cement to increase strength, reduce permeability, improve resistance to chemical attack and inhibit rebar corrosion.  Slag cement is used in virtually all concrete applications:

 

 

Slag cement is also used in non-concrete applications such as soil-cement and hazardous waste solidification.