Returned-concrete treatment cleans drums, forms recycled aggregate

Sources: CP staff; General Resource Technology Inc., Eagan, Minn.

Short for “Returned Concrete, Zero Impact on the Environment,” Mapei’s Re-Con Zero is a mineral and admixture kit whose seven-minute agglomeration and hardening process converts mixer drums’ leftover concrete to semi-spherical aggregates—recyclable as they are for base or re-used as new concrete aggregate.

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