Sealing & Elastomers

Engineered Elastomer Components for Sealing, Insulation, and Vibration Control

Polycorp manufactures precision elastomer components engineered for performance under the toughest conditions. From seals and gaskets to molded and extruded profiles, our products deliver consistent sealing, isolation, and insulation performance across aerospace, defense, rail, energy, and environmental applications.

Seals & Gaskets Custom Molded Elastomers Custom Extruded Elastomers Insulation Materials (Thermal & Electrical)

Reliable Sealing for Critical Systems

Polycorp designs precision-engineered seals and gaskets made from nitrile, neoprene, EPDM, Viton, and natural rubber compounds. These components provide dependable resistance to fuels, oils, chemicals, and temperature extremes—ensuring tight sealing performance in aerospace, defense, and industrial systems.

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Precision Components for Extreme Environments

Custom-molded elastomer parts, such as vibration isolators, diaphragms, and shock mounts, are produced to exacting tolerances for mission-critical performance. Each component is formulated to meet strict quality and traceability standards for aerospace and defense use.

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Continuous Profiles for Sealing and Isolation

Polycorp produces continuous-length extruded elastomer profiles used in sealing, noise reduction, and vibration isolation. Applications include rail, defense, and energy systems. This product family also includes elastomeric Rail Boots and Railseal™ extrusions used in rail infrastructure for track protection and isolation.

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Protective Barriers for Heat and Current Management

Elastomer-based insulation materials offer durable protection against thermal and electrical extremes. Designed for high-reliability environments, they provide essential insulation for power systems, aerospace components, and energy applications.

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