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Graphene rises from nanotech as a positive carbon factor for concrete

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Published: Tuesday, 29 August 2017 15:55
Written by Don Marsh

Scientists’ work with elements at the atomic level continues to yield promising concrete admixtures whose impact might one day approach that of polycarboxylate superplasticizers. As Concrete Products has observed in reports on Zenyatta Ventures Ltd. and EdenCrete Industries this past year, nanotechnology has led to identification and processing of concrete market-ready graphene, a single atom-thick layer of pure carbon derived from mineral or synthetic graphite.

Read more: Graphene rises from nanotech as a positive carbon factor for concrete

Bluegrass, Aggregates USA deals speak to healthy Martin Marietta, Vulcan rivalry

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Published: Wednesday, 26 July 2017 16:03
Written by Don Marsh

The top two U.S. aggregate producers are pacing each other in building annual production volumes and long-term limestone and granite reserves. Predictable in most any economic cycle, their strategy takes on new dimensions in 2017, as investors see U.S. crushed stone and sand & gravel shipments netting some of the best returns or future earnings prospects in heavy building materials.

Read more: Bluegrass, Aggregates USA deals speak to healthy Martin Marietta, Vulcan rivalry

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