Concrete Products

SEP 2018

Concrete Products covers the issues that attract producers of ready mixed and manufactured concrete focusing on equipment and material technology, market development and management topics.

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40 • September 2018 INNOVATIONS REPORT PLANT EQUIPMENT Stone, sand and gravel can take their toll on material handling equipment for concrete production. The bare structure of transfer or storage components and vessels may not adequately resist wear, and even traditional steel or rubber protective liners can prove insuffi- cient to withstand abrasion. Sheets made from urethane provide far better protection than more traditional options such as rubber and AR400 or AR450 plate steel for such applications, according to Argonics Inc., one of the largest North American wear-resistant urethane producers. Urethanes are cost-effective, dependable elastomers that combine some of the performance advantages of high-tech metals, ceramics, and plastics, along with the resiliency of rubber. Because they also offer signifi- cantly less friction than rubber, they help to reduce wear when in contact with rough materials like aggregate, and prove easy to clean. This "tougher than steel" grade of liner can now be made even more durable with embedded ceramic tiles, Argonics notes. It can also be cut from full sheets of various sizes to fit the contours and shapes of high contact areas, so it can easily be welded or bolted to provide extreme wear protection wherever required. While such liners can be cut to fit and installed onsite, custom liners made to fit more complex configurations can increase reliability, simplify installation, and further reduce production downtime. Urethane, ceramic tiles withstand extreme wear in aggregate handling The extreme wear resistance of standard or ceramic tile-embedded urethane liners—shown here on a bin, drum and conveyor turnhead—can offer plant opera- tors, design engineers and equipment manufacturers extended equipment life and trouble-free handling of sand, gravel and stone.

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