Slag #73
Also known as: #73 steel slag, slag aggregate
#73 slag is a durable, graded aggregate typically sized between 1/2 inch and 1 inch. Produced from processed steel slag, this angular material offers excellent strength, stability, and drainage. Compared to finer base materials, #73 slag provides a more open structure while still locking together effectively under load, making it suitable for both structural and drainage-focused applications.
Its toughness and resistance to breakdown make it a reliable choice for demanding construction environments.
Common applications for #73 slag
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