Portland-limestone cement reaches universal state DOT approval

Portland Cement Association reports across the board state agency approval of portland-limestone cement, or ASTM C595 Type IL binder, on the heels of a Connecticut Department of Transportation green light for the material. Compared to ASTM C150 Type I/II portland cement, PLC is finished with higher limestone content, while exhibiting a carbon dioxide emissions footprint up to 10 percent lower.…

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SILICA FINISHING AID EASES TYPE IL MIX TROWELING

A colloidal silica formulation, IntraFilm addresses finishing challenges concrete practitioners encounter with the increasing use of portland-limestone cement (PLC or ASTM C595 Type IL). Its unique formula lubricates the surface of a slab, allowing for a more efficient finishing process. IntraFilm helps increase creaminess for a smoother, more polished finish; extends workability, even under hot, dry and windy conditions; reduces…

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Topping the 2023 radar

Major industry developments last year did not match the eventful 2021, when a dealmaking flourish put leading admixture, plant equipment and ready mixed or manufactured concrete brands or market stakes on track to change hands. But 2022 served up its share of surprises. A review of the year’s most impactful content from these pages and our companion Concrete Currents weekly…

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Titan America fully converts Pennsuco, Roanoke plants to Type IL

Sources: Titan America LLC, Norfolk, Va.; CP staff Titan America has become the first U.S. producer to fully switch its ASTM C150 Type I/II portland cement to ASTM C595 Type IL or portland-limestone cement. This lower carbon powder utilizes conventional clinker and gypsum, typically blended with up to 15 percent limestone at the grinding lines of Roanoke Cement in Virginia…

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Lehigh Cement transitions top mill, Union Bridge, to EcoCemPLC

Sources: Lehigh Hanson Inc., Irving, Texas; CP staff The Lehigh Cement plant in Union Bridge, Md. will see primary output shift from ordinary portland cement to the branded EcoCem Portland-Limestone Cement—clinker + up to 10 percent finely graded limestone—by no later than January 2023. Union Bridge is presently the producer’s largest plant in North America; the switch to the branded…

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Titan America loads N.J. terminal with portland-limestone blend

Titan America has begun offering Type IL portland-limestone cement from its Essex Cement storage and distribution facility at the Port of Newark, becoming New Jersey’s charter source of the blended binder. Metro New York-New Jersey customer adoption of lower carbon alternatives to ordinary portland cement (clinker only) stands to drive the terminal’s full transition to PLC by the end of…

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CalPortland Mojave plant all in on portland-limestone cement

Sources: CalPortland Co., Glendora, Calif.; CP staff CalPortland plans full conversion of its 1.3 million ton/year capacity Mojave plant, located 75 miles north of the Los Angeles Basin, to the branded Advancement HS portland-limestone cement. Scheduled for completion by the third quarter, the switch from ordinary portland to Type IL cement will reduce the facility’s carbon emissions by 10 percent…

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Buzzi, Alamo sequence eight-mill migration to portland-limestone cement

Sources: Buzzi Unicem USA, Bethlehem, Pa.; CP staff Consistent with corporate environmental management and Portland Cement Association Roadmap to Carbon Neutrality goals, Buzzi Unicem USA and Alamo Cement Co. CEO Massimo Toso has announced a transition from ASTM C150 Types I and II portland cement production to C595 Type IL, or portland-limestone cement. “The conversion begins with our plants in…

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Titan America loads portland limestone powder to New Jersey terminal

Sources: Titan America, Norfolk, Va. Titan America has begun offering Type IL portland-limestone cement from its Essex Cement storage and distribution facility at the Port of Newark, becoming New Jersey’s charter source of the blended binder. Metro New York-New Jersey customer adoption of lower carbon alternatives to ordinary portland cement (clinker only) stands to drive the terminal’s transition to exclusively…

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