Since 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.
FDA 21 CFR 177.2600
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NSF Certified
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Smooth-On, IncSmooth-On, Inc. makes liquid mold-making and casting materials that turn designs into three-dimensional parts, props, architectural details and sculpture. Based in Macungie, Pennsylvania, the company is especially known for rubber molds used in concrete casting, while its materials also appear in film, special effects and industrial prototyping. Smooth-On produces millions of pounds of material each year and supports users with technical guidance, how-to instruction and training seminars.EAST TEXAS, PA
National PolymerSince 2005, Chagrin Falls-based National Polymer has developed and manufactured custom polymers, adhesives and coatings for applications where an off-the-shelf material will not do. Its senior-level chemists and engineers can take a project from deformulation or a new formulation through pilot coating, scale-up and production, including roll-to-roll work. National Polymer operates under ISO 9001:2015 systems and received the 2022 Excellence in Manufacturing Award from MAGNET and the Geauga Growth Partnership.CHARLEROI, PA
Polymics, LtdFounded in 1994 by Dr. Tim Hsu, Polymics, Ltd. is a privately owned State College manufacturer known for its exclusive focus on high-performance polymers. The company works with product designers to develop application-specific materials, then carries those solutions through to finished components for demanding industrial customers.STATE COLLEGE, PA
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