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US Dow develops first PU used to make proppants for fracking

Focus US Dow develops first PU used to make proppants for fracking

Focus story by Al Greenwood

GRAPEVINE, Texas (ICIS)--US-based Dow Chemical and Preferred Sands developed a proppant using polyurethane, a first for the resin, executives said during a conference that started on Monday.

Dow's Teraforce polyurethane is used to coat sand. The result is Preferred Sands's RCS proppant. It is among the three finalists for an innovation award, given by the Center for the Polyurethanes Industry at its Polyurethanes Technical Conference.

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