Sources: Chryso Group, Paris; CP staff In a partnership with tunnel boring machine (TBM) lubricant specialist Condat SA of France, Chryso has developed a backfill grout solution, TBM SGS (Smart Grout System), exhibiting the potential as a substitute for bentonite. A clay that expands when hydrated, bentonite is commonly used in backfill mix designs but brings environmental impacts tied to…
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General Resource creates Mapei Americas admixture platform
Sources: Mapei Corp., Deerfield Beach, Fla.; CP staff
Mapei Americas has acquired Minnesota admixture producer General Resource Technology, eyeing synergies with its own product portfolio—adhesives, coatings, grouts and mortars—while extending GRT offerings beyond the Central U.S., first toward the coasts and eventually to Canada and Mexico.
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