Specialty Silicone Products strengthens EMI shielding portfolio with new extruded rubber profiles
Ballston Spa, NY – Specialty Silicone Products (SSP) has expanded its lineup of extruded rubber profiles designed for electromagnetic interference (EMI) applications, including bonded O‑rings, D‑rings, and frame gaskets. The company’s latest offerings support both standard and custom profile shapes, as well as multiple elastomer bases. These extrusions are available in silicone and fluorosilicone, filled with electrically conductive particles for robust EMI shielding. Many of these materials are certified to the MIL‑DTL‑83528 specification and listed on the Defense Logistics Agency’s Qualified Products List.
SSP produces extrusions in a variety of geometries, including solid round cord, hollow round cord, hollow D-shapes, and U-channels. Their material selection includes silver-copper, silver-aluminum, and nickel-graphite fillers, each offering different balances of conductivity, volume resistivity, and cost. Silver-based materials offer very low resistivity, while nickel-graphite is more cost-effective. For applications requiring chemical or fuel resistance, SSP provides fluorosilicone-based extrusions filled with conductive particles, helping meet stringent environmental sealing and shielding demands. SSP can also bond cut lengths of the extruded profiles into closed-loop shapes like O-rings and D-rings, with the adhesive made from the same conductive elastomer to ensure electrical continuity and minimize EMI leakage at joints.
Beyond standard rings, the company manufactures frame gaskets using custom profiles, including solid D, hollow D, mushroom, and other geometries based on customer needs. These frames are particularly useful in electronic enclosures where EMI containment is critical. SSP’s in-house toolroom supports this flexibility, enabling rapid die development for custom shapes and shorter lead times.
SSP’s extruded materials provide traceability and certification for customers in defense and aerospace, with many on the MIL‑DTL‑83528 QPL. The company offers lower minimum order quantities and faster turnaround than some competitors, along with material options that allow customers to optimize performance versus cost. Fluorosilicone extrusions provide resilience against fuels and solvents, a major advantage for aerospace, automotive, or military systems.
The expansion of SSP’s extruded EMI profiles comes amid broader growth of its EMI shielding elastomer business, which now includes a wide range of elastomers tailored for both military-grade and commercial applications. This development reinforces SSP’s strategy of being a full-service partner, from base material formulation to extrusion, bonding, and fabrication of finished EMI gaskets. For engineers and procurement teams balancing performance, compliance, and cost in EMI shielding, SSP’s new extruded rubber profiles offer certified materials, flexible manufacturing, and optimized production to meet both stringent defense requirements and cost-sensitive commercial needs.