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Slag Cement Benefits and Use in Concrete

Slag cement is a hydraulic cement formed when granulated blast furnace slag (GGBFS) is ground to suitable fineness and is used to replace a portion of portland cement.  It is a recovered industrial by-product of an iron blast furnace.  Molten slag diverted from the iron blast furnace is rapidly chilled, producing glassy granules that yield desired reactive cementitious characteristics when ground into cement fineness. 

Once the slag has been cooled and ground to a usable fineness it is stored and shipped to suppliers throughout the united states.  Slag cement is commonly found in ready-mixed concrete, precast concrete, masonry, soil cement and high temperature resistant building products.  While there are many applications and benefits of slag cement, a few are highlighted below and detailed information sheets are located here. 

The use of slag cement has demonstrated long-term performance enhancements allowing designers to reduce the environmental footprint of concrete while ensuring improved performance and increased durability.

 

The benefits of using slag cement include:

There are many different applications and uses of slag cement including ternary mixtures and soil stabilization to name a few.  The SCA has produced 29 information sheets on a wide variety of slag cement related topics.  If you are looking for additional information on slag cement, the association, or if you are interested in scheduling a presentation, please contact us here.

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