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Rotomolders grab license for CARB-approved rotomolding technology

Custom rotational molder Centro Inc. (North Liberty, IA) has added two of its peers to the small group of processors as yet licensed to use Centro's RotoLoPerm multilayer fuel tank processing technology, which was developed in 2004. Both the California Air Resources Board (CARB) and the U.S. Environmental Protection Agency (EPA) credit this technology with passing their low-evaporative-emissions regulations. In March 2009 Centro received its Certificate of Conformity from EPA for RotoLoPerm; it's had CARB certification since late 2006.

New licensees of the process are two other custom rotomolders: Inca Molded Products Inc. (Nashville, TN) and Dutchland Plastics Corp. (Oostburg, WI). Inca is especially active in rotomolding tanks for marine craft; Dutchland also offers large-part blowmolding. Carl and David Claerbout, Dutchland's owners, were named MPW Notable Processors in 2009

In answer to a question from MPW, Brent Huedepohl, business development project manager at Centro, wrote via email that there is a third licensee, a proprietary molder using the material and process in its own products. He did not identify that processor.

Centro developed patent-pending RotoLoPerm in 2004; currently there are three licensees in North America. RotoLoPerm relies on crosslinked polyethylene, rotomolding's standard material for fuel tanks, in its inner and outer layers, with a barrier layer in the center. This new license agreement allows Inca and Dutchland to market and manufacture RotoLoPerm technology to their customers that have product that falls under the CARB and EPA low evaporative emissions regulations. Matt Defosse

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