The Global Silicone Sponge Market was valued at USD 1.64 Billion in 2024 and is projected to reach USD 2.25 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.4% during the forecast period (2024–2030). This robust expansion is fueled by growing demand from the automotive, electronics, and aerospace sectors, where silicone sponge’s superior heat resistance, compressibility, and sealing properties are essential for performance and safety.

As industries worldwide push the boundaries of technology and efficiency, the materials that seal, cushion, and protect critical components are more vital than ever. In this analysis, we profile the Top 10 Companies in the Silicone Sponge Industry—innovators and manufacturers who are setting the standard for quality, customization, and performance in high-specification applications.

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🔟 1. Rogers Corporation

Headquarters: Chandler, Arizona, USA
Key Offering: BISCO® Silicone Sponge and Foam Products

Rogers Corporation is a global technology leader, renowned for its high-performance engineered materials. Its BISCO® brand of silicone sponges is a benchmark in the industry, offering exceptional environmental sealing, cushioning, and thermal management solutions for demanding applications in aerospace, EV battery packs, and medical devices.

Innovation and Applications:

• High-performance sealing for extreme temperatures (-80°C to 225°C+)
• Custom-engineered solutions for electric vehicle battery insulation
• UL 94 V-0 and other agency certifications for safety-critical uses

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9️⃣ 2. Wacker Chemie AG

Headquarters: Munich, Germany
Key Offering: ELASTOSIL® R and S Silicone Rubber Sponges

Wacker is one of the world’s largest silicone producers, with its ELASTOSIL® range representing the pinnacle of silicone rubber technology. The company provides both solid and sponge-grade silicones that are used in gaskets, profiles, and damping elements across the construction, automotive, and appliance industries.

Innovation and Applications:

• Platinum-catalyzed, low-compression-set sponge materials
• Focus on sustainable production processes and recyclable materials
• Global production network ensuring supply chain resilience

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8️⃣ 3. Saint-Gobain Performance Plastics

Headquarters: Courbevoie, France
Key Offering: TUF-SPONGE® and other specialty silicone sponge tapes and sheets

Saint-Gobain is a diversified global materials giant. Its Performance Plastics division produces TUF-SPONGE®, a highly durable, closed-cell silicone sponge known for its excellent resistance to weathering, ozone, and UV radiation. It is a preferred material for HVAC, automotive, and industrial sealing applications.

Innovation and Applications:

• Self-adhesive sponge tapes for easy installation
• Exceptional performance in harsh environmental conditions
• Compliance with ASTM, UL, and Mil-Spec standards

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7️⃣ 4. Elkem Silicones

Headquarters: Oslo, Norway
Key Offering: Silbione® Silicone Sponge and Rubber

Elkem Silicones, part of the Shanghai-based Bluestar group, is a fully integrated silicone manufacturer. Its Silbione® product line includes a wide array of sponge materials suitable for medical, food contact, and industrial applications, emphasizing purity and consistent quality.

Innovation and Applications:

• Bio-based and medical-grade silicones for sensitive applications
• Strong R&D focus on lifecycle assessment and eco-design
• Global technical support and customization capabilities

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6️⃣ 5. Shin-Etsu Chemical Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: KE-Series and X-28 Series Silicone Sponge Rubbers

Shin-Etsu is the world’s largest producer of silicon wafers and polycrystalline silicon, and a major force in silicones. The company’s high-purity silicone sponge materials are critical in the electronics sector for EMI/RFI shielding gaskets and cushioning for delicate components.

Innovation and Applications:

• Ultra-pure materials for semiconductor and electronics manufacturing
• Conductive silicone sponge options for EMI shielding
• Advanced calendering and fabrication technologies

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5️⃣ 6. Stockwell Elastomerics, Inc.

Headquarters: Philadelphia, Pennsylvania, USA
Key Offering: Custom-fabricated silicone sponge gaskets, die-cuts, and tapes

Stockwell Elastomerics is a leading fabricator of silicone sponge and other elastomeric materials. Unlike material producers, Stockwell specializes in converting bulk materials into precise, custom-finished parts for clients in medical, aerospace, and defense industries, offering full-service from design to delivery.

Innovation and Applications:

• ISO 9001:2015 & AS9100D certified fabrication
• Rapid prototyping and low-to-high volume production
• Expertise in bonding silicone sponge to various substrates

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4️⃣ 7. Momentive Performance Materials Inc.

Headquarters: Waterford, New York, USA
Key Offering: SilPlus® and other specialty silicone sponge compounds

Momentive is a global leader in silicones and advanced materials. The company offers a diverse portfolio of silicone sponge rubber products designed for long-term durability and performance in automotive, construction, and energy applications.

Innovation and Applications:

• High-consistency rubber (HCR) sponge for extruded profiles
• Focus on flame-retardant and low-smoke applications
• Technical partnership model for developing application-specific solutions

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3️⃣ 8. Polymax Ltd.

Headquarters: Taoyuan City, Taiwan
Key Offering: TPR/TPE and Silicone Sponge Sheets and Tapes

Polymax is a specialized manufacturer of thermoplastic and silicone-based sponge materials. The company has built a strong reputation in Asia and globally for providing cost-effective, high-quality sponge products used extensively in consumer electronics, automotive interiors, and general industrial sealing.

Innovation and Applications:

• Combination of TPE and silicone sponge technologies
• Strong focus on adhesive-backed solutions
• Vertically integrated manufacturing for quality control

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2️⃣ 9. Hanna Rubber Company

Headquarters: Portland, Oregon, USA
Key Offering: Precision-cut silicone sponge gaskets and seals

Hanna Rubber is a premier distributor and fabricator of industrial rubber and sponge products. With decades of experience, the company provides just-in-time delivery of custom-die-cut silicone sponge parts, serving a diverse clientele across the Pacific Northwest and beyond.

Innovation and Applications:

• Extensive inventory of sponge sheets in various densities
• Waterjet, die, and knife-cut fabrication capabilities
• Value-added services including slitting and laminating

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1️⃣ 10. Simolex Rubber Corporation

Headquarters: Schofield, Wisconsin, USA
Key Offering: Silicone Sponge Cord Stock, Sheet, and Extrusions

Simolex Rubber specializes in the distribution and fabrication of sponge rubber materials. The company is a key supplier of silicone sponge cord stock—a versatile product used for creating custom gaskets on-site—making it a vital partner for maintenance, repair, and operations (MRO) and OEMs.

Innovation and Applications:

• Wide range of cord stock sizes and densities
• “Cut-to-length” services minimizing waste
• Expert technical guidance on material selection

Get Full Report Here: Silicone Sponge Market – View in Detailed Research Report

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🌍 Outlook: The Future of Silicone Sponge is Smarter and More Sustainable

The silicone sponge market is evolving beyond traditional gasketing. As electrification, miniaturization, and sustainability become central to industrial design, silicone sponge materials are being engineered for enhanced functionality and reduced environmental impact.

📈 Key Trends Shaping the Market:

• Electrification Wave: Surge in demand for thermal interface materials (TIMs) and battery cushioning in electric vehicles and energy storage systems.
• High-Performance Electronics: Need for ultra-soft, conductive sponges for EMI shielding in 5G infrastructure and portable devices.
• Sustainability Push: Development of bio-based silicone precursors and focus on recyclability and lifecycle analysis.
• Additive Manufacturing: Exploration of 3D-printed silicone sponge structures for complex, custom geometries.

Get Full Report Here: Silicone Sponge Market – View in Detailed Research Report

The companies profiled are not just supplying materials; they are enabling technological advancement by providing the critical components that ensure reliability, safety, and performance in an increasingly demanding world.