IHS Chemical Week

EnviroTech :: Innovation

Preferred Sands Produces Clean Resin-Coated Proppant Line

10:45 AM MDT | July 20, 2012 | Lindsay Frost

Preferred Sands (Radnor, PA) says it has begun full production of its clean resin-coated proppant line, branded as “Preferred RCS.” The company created the proppants due to environmental issues in contaminated frac water. These issues include partially curable phenolic resins leaching chemicals like formaldehyde up to five times the drinking water limit. The proppants emit less VOCs during manufacturing which diminishes chemical leaching and dusting, the company says. The product line includes low and intermediate temperature...

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