Top LafargeHolcim mills sustain portland limestone momentum

The Holcim (US) Ste. Genevieve plant in Missouri and Lafarge Alpena plant in Michigan have transitioned to production of OneCem portland limestone cement (PLC), lowering by 10 percent the carbon intensity of their ordinary Type I/II powder. A high-performance blended cement milled from conventional clinker and up to 10 percent finely ground, premium limestone, OneCem has been rigorously tested and…

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Holcim (US) mill goes full bore on portland limestone cement

A Texas concrete materials supply chain fixture, the Holcim (US) Inc. Midlothian plant is the first cement mill in the country to fully convert to production of portland limestone cement (PLC), where fine limestone at 5 percent to 15 percent volumes is ground with clinker. The finished binder exhibits performance comparable to ordinary portland cement, but has a lower embodied…

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Key Holcim (US) mill all in on portland limestone cement

Sources: LafargeHolcim U.S. Cement, Chicago; CP staff A Texas concrete materials supply chain fixture, the Holcim (US) Inc. Midlothian plant is the first cement mill in the country to fully convert to production of portland limestone cement (PLC), where fine limestone at 5 percent to 15 percent volumes is ground with clinker. The finished binder exhibits performance comparable to ordinary…

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Lehigh Cement grinds clinker, limestone and ash to High Sulphate blend

Sources: Lehigh Hanson, Irving, Texas; CP staff Lehigh Hanson is extending its recently launched, carbon-wise EcoCem portland limestone cement series with EcoCem PLUS, milled at the Edmonton plant and debuting in Alberta, Saskatchewan and Manitoba. Finished by inter-grinding cement clinker, fly ash, limestone and gypsum, the material outperforms traditional CSA Group-grade HS powder in resisting sulphate attack—common in the Prairie…

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