Known for more than 25 years of focused experience in rotational molding, ROTOPOLYMERS supplies resins to manufacturers in this specialized industry. Its facilities across five countries support customers in more than 100 cities, with technical guidance available for formulation, machinery, and processing.
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FDA
Quality certification
RotolineFor more than 20 years, Rotoline has built its identity around the global rotomolding industry, with a Brazilian operation, a U.S. branch, and sales representation in Europe. The company manufactures rotomolding machinery for plastic processors and supports installations on all five continents through multilingual technical assistance.KENT, OH
Specialty PowdersSpecialty Powders develops and processes polymer powders for rotational molding and other demanding industrial applications, pairing custom formulations with toll processing from lab scale through production. Its long-serving team works directly with customers on material development and processing challenges, while ISO 9001-certified facilities support consistent results. With plants in Allentown, East Chicago, China and Grand Junction, the company serves customers globally with both established resins and tailored powder solutions.COLUMBIA, MD
Polytek Development CorpSince 1984, Easton-based Polytek Development Corp. has formulated and manufactured specialty polymer materials for mold making, casting and coating, serving both industrial users and makers. Its materials help turn everything from sculptural originals and concrete textures to theatrical effects and food-contact molds into repeatable forms, with hands-on technical support built into the company’s approach. Polytek also develops private-label polymer products for businesses that want materials packaged under their own brands.EASTON, PA
Newko PolymersFounded in 2009, Newko Polymers manufactures and distributes engineered thermoplastics and commodity resins from its 150,000-square-foot headquarters in Strongsville, Ohio. With more than 30 years of industry expertise, the company combines in-house formulation, manufacturing, laboratory testing, and distribution to tailor resin solutions while keeping lead times short. Newko also supports recycled-content materials and reclaim programs, extending its role beyond resin supply into plastics recovery and technical support.STRONGSVILLE, OH