Durable, Corrosion-Resistant Materials for Equipment Design

Polystrong and Polylast offer corrosion-resistant, sturdy material selections for air and water treatment equipment, with numerous industrial and municipal applications.

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KCH Engineered Systems’ Polystrong and Polylast are two new corrosion-resistant, thermoplastic-based materials used in the equipment the company manufactures. Poised to replace traditional fiberglass laminates that are subject to degradation wicking, porosity, and UV light penetration, the materials are suitable for design of wet scrubbers, dry scrubbers, biotrickling systems, exhaust fans, ducting, and many applications where corrosion resistance is required.

Equipment built with Polystrong material can be designed to maintain structural integrity at higher temperatures than traditional thermoplastics and withstand wind loads up to 150 miles per hour, KCH says. While its standard corrosion barrier is 187 mils, barriers of up to 500 mils are also available. Its proprietary formula consists of a homogeneous thermoplastic corrosion barrier bonded to a thermoset plastic resin/fiber structural layer, and optionally coated with a UV-resistant external layer. Due to its excellent corrosion and chemical resistance, as well as increased thermal structural properties, Polystrong can be evaluated in many applications as a suitable alternative to fiberglass, stainless steel, and other metal alloys.

Polylast is a lower-costing alternative to Polystrong. It consists of a homogeneous thermoplastic corrosion and structural barrier with a UV-resistant external coating.