The Global Silicone Sponge Gaskets Market was valued at USD 752.4 Million in 2025 and is projected to reach USD 1.12 Billion by 2034, growing at a Compound Annual Growth Rate (CAGR) of 4.5% during the forecast period (2024–2030). This growth is being driven by expanding demand from the automotive, aerospace, and medical device sectors, the transition to electric vehicles, and stringent requirements for reliable sealing, cushioning, and insulation in harsh operating environments.

As industries worldwide prioritize performance, durability, and regulatory compliance, the demand for high-performance sealing solutions is surging. In this blog, we profile the Top 10 Companies in the Silicone Sponge Gaskets Industry—a group of specialized manufacturers and material innovators who are defining the standards for reliability and efficiency across critical applications.

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🔟 1. Saint-Gobain

Headquarters: Paris, France
Key Offering: High-performance silicone sponge sheets, rolls, and custom fabricated gaskets

Saint-Gobain is a global leader in the design, production, and distribution of high-performance materials, including a comprehensive range of silicone sponge gaskets. Their products are engineered for extreme temperature resistance, excellent compression set, and long-term durability, serving demanding sectors like aerospace, automotive, and industrial processing. The company leverages its extensive R&D capabilities to develop advanced formulations that meet stringent international standards.

Innovation and Sustainability Initiatives:

• Development of flame-retardant and low-outgassing silicone sponge grades for aerospace and electronics

• Investment in sustainable manufacturing processes and lifecycle assessment of products

• Global supply chain optimization to ensure consistent quality and delivery

Download FREE Sample Report: Silicone Sponge Gaskets Market – View in Detailed Research Report

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9️⃣ 2. Stockwell Elastomerics

Headquarters: Philadelphia, Pennsylvania, USA
Key Offering: Custom-die-cut silicone sponge gaskets, fabricated parts, and specialty materials

Stockwell Elastomerics specializes in providing custom-engineered sealing solutions, with a strong focus on silicone sponge gaskets. The company is renowned for its technical expertise and customer-centric approach, offering services from material selection and prototyping to high-volume production. Their products are critical in applications requiring thermal management, environmental sealing, and vibration dampening.

Innovation and Sustainability Initiatives:

• Proprietary laminating and fabrication techniques for complex multi-material gaskets

• Focus on providing solutions for electric vehicle battery enclosures and power electronics

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8️⃣ 3. Elasto Proxy

Headquarters: Boisbriand, Quebec, Canada
Key Offering: Custom silicone sponge gaskets, seals, and insulation solutions

Elasto Proxy is a leading solutions provider that designs and fabricates custom silicone sponge gaskets for a global clientele. They serve a diverse range of industries, including heavy equipment, transportation, and military. Their strength lies in value-added services like design assistance, precision die-cutting, and just-in-time delivery, making them a strategic partner for OEMs.

Innovation and Sustainability Initiatives:

• Advanced adhesive systems for easy installation and improved seal integrity

• Implementation of lean manufacturing to reduce waste and improve efficiency

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7️⃣ 4. Auburn Manufacturing, Inc.

Headquarters: Mechanic Falls, Maine, USA
Key Offering: High-temperature silicone sponge gaskets and seals

Auburn Manufacturing is a specialized producer of high-performance sealing and thermal management materials, with a strong portfolio of silicone sponge products. They are particularly well-known for their expertise in high-temperature applications, supplying industries such as metal processing, foundries, and industrial ovens where thermal stability is critical.

Innovation and Sustainability Initiatives:

• Development of AMISIL® silicone sponge products with enhanced thermal and chemical resistance

• Commitment to U.S.-based manufacturing and stringent quality control standards

Download FREE Sample Report: Silicone Sponge Gaskets Market – View in Detailed Research Report

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6️⃣ 5. Custom Gasket Corporation

Headquarters: Cleveland, Ohio, USA
Key Offering: Precision die-cut silicone sponge gaskets and custom sealing solutions

Custom Gasket Corporation has built a reputation for precision and reliability in the fabrication of silicone sponge gaskets. They work closely with clients to develop solutions for challenging applications in the medical, electronics, and instrumentation sectors. Their capability to handle both low-volume prototypes and high-volume production runs makes them a versatile supplier.

Innovation and Sustainability Initiatives:

• Investment in state-of-the-art digital converting and die-cutting equipment

• Focus on material traceability and compliance with medical and food-grade standards

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5️⃣ 6. Atlantic Gasket Corporation

Headquarters: Syracuse, New York, USA
Key Offering: Silicone sponge gaskets, foam tapes, and adhesive-backed seals

Atlantic Gasket Corporation provides a wide array of gasketing materials, with silicone sponge being a key product line. They cater to OEMs and MRO providers across various industries, offering both standard and custom-converted parts. Their technical support team assists customers in selecting the optimal material and configuration for specific sealing challenges.

Innovation and Sustainability Initiatives:

• Specialization in adhesive-backed gaskets for simplified assembly and installation

• Inventory management programs to support customer supply chain efficiency

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4️⃣ 7. Advanced Seals and Gaskets

Headquarters: Santa Ana, California, USA
Key Offering: Engineered silicone sponge gaskets for defense, aerospace, and specialty vehicles

Advanced Seals and Gaskets is a trusted supplier of high-specification sealing solutions, particularly for the defense and aerospace sectors. Their silicone sponge gaskets are designed to meet rigorous military and aerospace standards (MIL-spec), ensuring performance under extreme conditions of temperature, pressure, and environmental exposure.

Innovation and Sustainability Initiatives:

• Extensive expertise in meeting MIL-DTL-32586 and other stringent specifications

• Collaborative engineering approach to solve complex sealing problems

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3️⃣ 8. Accurate Rubber Corporation

Headquarters: Oxford, Massachusetts, USA
Key Offering: Silicone sponge gaskets, extruded profiles, and molded rubber products

Accurate Rubber Corporation is a manufacturer and converter of rubber and sponge materials, offering a diverse line of silicone sponge gaskets. They serve a broad industrial base, including the appliance, HVAC, and lighting industries. Their vertically integrated operations allow for control over the entire production process, from compounding to fabrication.

Innovation and Sustainability Initiatives:

• In-house material compounding to create custom formulations with specific properties

• Focus on producing durable gaskets that extend product life and reduce waste

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2️⃣ 9. CB Frost

Headquarters: St. Helens, United Kingdom
Key Offering: Silicone sponge sheet, rolls, and fabricated gaskets

CB Frost is a leading UK-based distributor and fabricator of elastomeric materials, including a wide range of silicone sponge products. They supply industries across Europe, providing both standard materials and custom-cut parts. Their technical expertise helps customers navigate material selection for optimal performance and cost-effectiveness.

Innovation and Sustainability Initiatives:

• Strategic partnerships with global material producers to ensure a consistent supply of high-quality products

• Investment in digital fabrication technologies for precision and efficiency

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1️⃣ 10. Sinkery Electronic Technology Co., Ltd.

Headquarters: Shenzhen, China
Key Offering: Silicone sponge gaskets for consumer electronics, appliances, and LEDs

Sinkery Electronic Technology is a key manufacturer in the Asia-Pacific region, specializing in silicone sponge gaskets for the rapidly growing electronics and appliance markets. They focus on producing cost-effective, high-volume sealing solutions that meet the demands of mass production while maintaining consistent quality.

Innovation and Sustainability Initiatives:

• Rapid prototyping and manufacturing support for fast-paced electronics product cycles

• Expansion of production capacity to serve global supply chains

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

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

The silicone sponge gaskets market is undergoing a significant transformation. While standard products continue to serve many applications, the industry is increasingly focused on advanced formulations, customization, and smart integration to meet the evolving needs of high-tech sectors.

📈 Key Trends Shaping the Market:

• Rise in demand for electric vehicle (EV) components, driving need for battery and electronics sealing

• Increasing miniaturization in electronics, requiring precision micro-gaskets

• Development of bio-compatible and low-outgassing grades for medical and aerospace applications

• Growth of additive manufacturing and digital die-cutting for rapid prototyping and complex geometries

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

The companies listed above are not only supplying essential components—they are enabling innovation and reliability across the global industrial landscape.