Just how buoyant can a material be? In the case of a "new generation" of continuous cured and modified rubber compounds from Sentinel Products Corp., "they can outperform existing PVC/vinyl nitrile materials at a competitive price," according to Scott Smith, COO. The new elastomeric metallocene-based compounds, EMR(TM) 220FL, recently received UL recognition for personal flotation devices. They have a buoyancy rating of 60, provide softness properties similar to PVC/vinyl nitrile materials, and can be easily thermoformed into 3D parts. The compounds remain flexible at low temperatures, resist fungal and bacterial growth, and have high UV and chemical resistance. Sentinel Products Corp.: Product Code 4372
Producing high-quality end-production metal parts with additive manufacturing for applications like aerospace and medical requires very tightly controlled processes and materials. New standards and guidelines for machines and processes, materials, and printed parts are underway from bodies such as ASTM International.
Engineers at the University of San Diego’s Jacobs School of Engineering have designed biobatteries on commercial tattoo paper, with an anode and cathode screen-printed on and modified to harvest energy from lactate in a person’s sweat.
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