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Lanxess takes world view of iron oxide pigment production and supply chain

The third Lanxess Pigments Symposium took place in Las Vegas last month, the day before the World of Concrete 2017 opened. Under the “Trusted partnerships for sustainable growth” theme, the Lanxess Inorganic Pigments business unit provided 100-plus industry affiliates from around the globe a platform to discuss industry challenges.

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Silica dust exposure protection carries the day at World of Concrete 2017

World of Concrete 2017 evidenced a mid-year enforcement timetable for the Occupational Safety and Health Administration’s new respirable crystalline silica exposure threshold covering construction sites and general workplaces. Leading the charge for compliance at the January 17-20, Las Vegas gathering were exhibitors of sawing and drilling equipment—loaded with dust collection devices—along with peers promoting cementitious material conveying, handling or dispensing devices with which silica dust can reach agency-reduced levels.

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Strong returns spur investor’s sale of Rocla Tie to German rail specialist

Vossloh AG of Werdohl, Germany, has closed on Denver-based Rocla Concrete Tie Inc., the leader in prestressed concrete railroad and turnout ties for Class I, commuter passenger, transit authority and industrial lines. Seller Altus Capital Partners II L.P., a Wilton, Conn., private equity firm, had held Rocla Concrete since mid-2013.

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NCMA endorses ACI Masonry Testing Technician references in key TMS specs

The Masonry Society’s TMS 402/602-16: Building Code Requirements and Specifications for Masonry sets new technician requirements to reinforce quality control measures surrounding concrete or clay units, mortar, grout and prism or scaled-wall specimen testing. Contractors, engineers or owner’s representatives can meet the requirements, published in December 2016, by enlisting ACI-certified Masonry Testing Technicians.

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Nanotechnology reveals carbon’s full performance potential in concrete

Littleton, Colo.-based EdenCrete Industries enters 2017 ramping up production of a liquid admixture that has demonstrated in field trials and early commercial applications a capacity to strengthen concrete at levels sufficient to reduce rebar and portland cement requirements. Dosed at 0.25 gallon to 4 gallons per cubic yard, which typically equates to approximately 3 ounces to 130 ounces per 100 lbs. of cementitious material, the EdenCrete admixture embodies quintillions (one million trillion) of carbon fiber-like tubes, or nanotubes, per gallon. EdenCrete Industries has developed a method to safely transfer carbon nanotubes in admixture form to concrete customers without any risk of health concerns; the resulting product dictates packaging solely in liquid form.

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