Polymer coated CSP

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The National Corrugated Steel Pipe Association recommends using Polymer Coated Corrugated Steel Pipe in applications where soils and effluent have a pH from 3 to 12 and any resistivity > 100 ohm-cm. Polymer Coated CSP has been proven to provide superior service life up to 100 years. This tough and durable polymer film, called TRENCHCOAT™ Protective Film and developed by The Dow Chemical Company, is bonded over galvanized sheet prior to the pipe forming process, providing a product that will survive both the elements and installation in the most challenging environments.

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