Royal White loads North American terminals with CSA cement

Sources: Royal White Cement Inc., Houston; CP staff

Royal White has developed a calcium sulfoaluminate (CSA) cement suited to agencies specifying very high early strength concrete for highway or runway pavement construction or repairs, plus customers seeking a CSA base in precast production or grout, shotcrete and underlayment applications. RWC CSA Cement attains compressive strengths of 4,000, 6,000 and 10,000 psi at three hours, 24 hours and 28 days, respectively.

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Nanotech-based rheology control agent frees GCP’s shotcrete system of silica fume


Sources: GCP Applied Technologies Inc., Cambridge, Mass.; CP staff

After a World of Concrete preview earlier this year, GCP (Grace Construction and Packaging) has officially introduced the Tytro Shotcrete System, underscoring its potential to make underground construction processes better, faster and more economical against conventional methods and mix designs. It spans GCP’s Strux BT macro-fiber and six Tytro family agents; newest among them is RC, a nanotechnology-derived, liquid rheology control modifier functioning as a pozzolan and silica fume alternative.

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