| Parameter | Value/Performance |
| Density (g/cm³) | 0.3–1.0 |
| 25% Compression Stress (kPa) | 15–45 |
| Tensile Strength (MPa) | 1.5–3.5 |
| Elongation at Break (%) | 200–400 |
| Compression Set (100℃) | ≤12% |
| Water Absorption (%) | <1.0 |
| Operating Temperature Range | -50℃ to +200℃ |
| Flame Retardancy | UL94 HB to V-0 (optional) |
| Environmental Compliance | RoHS, REACH, FDA (optional) |
SENMA's Round Silicone Foam Die Cutting Gaskets are precision-cut sealing solutions designed for sensitive electronic and industrial applications. These custom-shaped gaskets provide excellent cushioning, vibration dampening, and environmental sealing in circular configurations. The rounded design ensures uniform compression and reliable performance across curved surfaces, while the soft silicone foam material offers superior thermal stability and weather resistance. Ideal for enclosures, housings, and mechanical assemblies requiring a durable yet flexible sealing solution.
Die Cut Silicone Foam Gasket is a high-performance sealing, cushioning, and insulating material processed through precision die-cutting technology based on liquid silicone foam. It offers excellent resilience, temperature resistance, aging resistance, and good compression set recovery. It can be customized into various complex shapes and sizes to meet diverse application needs in electronics, automotive, medical, and industrial sectors.
Precision Die Cutting for Silicone Foam Gaskets
SENMA offers high-precision die-cutting services for silicone foam gaskets using advanced digital and mechanical cutting technologies. Our process ensures accurate and complex shapes with tight tolerances (±0.2mm), making our gaskets ideal for applications where form and function are critical. We specialize in both custom and standard designs, delivering components that meet exact sealing, insulation, and damping requirements.
This precision die-cutting capability is essential for industries including:
Automotive electronics and powertrain systems
Medical device sealing and encapsulation
Industrial machinery and equipment
Consumer electronics and appliance manufacturing
Renewable energy systems
Premium Silicone Foam Gasket Materials
We use high-quality silicone foam materials known for their flexibility, durability, and resistance to extreme conditions. Our foams are engineered to perform consistently in temperatures ranging from -50°C to 200°C, offering excellent thermal stability and environmental resistance.
Key material properties include:
Low Compression Set: ≤15% for reliable long-term sealing
Uniform Cell Structure: Ensures consistent performance across the entire gasket
Resistance to UV, Ozone, and Weathering: Suitable for indoor and outdoor use
Flame Retardancy: Options available compliant with UL94-HB/V-0
Low Outgassing: Ideal for medical and optical applications
Versatile Applications of Die-Cut Silicone Foam Gaskets
SENMA’s die-cut silicone foam gaskets are used in a wide range of industries where precision sealing and cushioning are required. In the automotive sector, they serve as seals for ECUs, battery housings, and lighting systems. Medical device manufacturers use our gaskets in imaging equipment, ventilators, and portable monitors due to their biocompatibility and sealing integrity.
Common industrial applications include:
Sealing of electrical enclosures and control panels
Vibration damping in industrial automation equipment
Thermal and acoustic insulation in HVAC systems
EMI/RFI shielding in electronic devices
Seals for cleanroom and laboratory equipment
Application Scenarios
SENMA’s die-cut silicone foam gaskets provide essential performance across various fields. In automotive electronics, they offer thermal insulation and environmental sealing for battery packs and infotainment systems. Consumer electronics manufacturers use our gaskets for waterproofing smart home devices and wearables.
Medical devices benefit from our compliant and precise seals in diagnostic and therapeutic equipment. Industrial clients apply our gaskets in machinery vibration isolation and access panel sealing. Energy sector applications include gaskets for solar inverters and wind turbine controllers.
Each scenario is supported by SENMA’s expertise in material science, precision manufacturing, and functional design.
Commitment to Environmental Sustainability
At SENMA, we are dedicated to sustainable manufacturing practices. Our die-cutting processes are optimized to minimize waste, and we employ energy-efficient technologies to reduce our carbon footprint. We comply with international environmental standards such as RoHS and REACH, and we continuously seek to source eco-friendly raw materials.
Our recycling initiatives and responsible production methods reflect our commitment to delivering high-quality silicone foam gaskets without compromising environmental responsibility.
Real Customer Reviews
"SENMA’s die-cut silicone foam gaskets have enhanced our product’s sealing reliability."
— David W., Quality Assurance Specialist, Australia
"The consistency and accuracy of their gaskets make them a trusted supplier."
— Lena P., R&D Engineer, Sweden
"Quick turnaround and excellent technical support."
— Carlos R., Production Manager, Mexico
"We appreciate SENMA’s sustainable approach without sacrificing performance."
— Hannah B., Sustainability Officer, Netherlands
"Reliable partner for all our custom sealing solutions."
— Thomas K., Project Lead, Switzerland
About Us
SENMA is a leading manufacturer of silicone foam materials with over 15 years of expertise in R&D and production. We specialize in producing high-performance silicone foam sheets and rolls that meet the strict standards of industries such as automotive, electronics, and new energy. Our technical strength lies in advanced liquid silicone rubber foaming technology and a strong ability to customize density, thickness, and dimensions based on client needs.
Our factory is equipped with automated production lines and a strict quality management system that ensures consistent product performance. We follow ISO-certified procedures, implement full-process inspections, and maintain traceable quality records to guarantee every batch meets international expectations. From prototype development to bulk manufacturing, we maintain high precision and reliability.
At SENMA, sustainability is embedded in our production approach—we use eco-conscious materials and aim for waste reduction through process optimization. Our service model emphasizes fast response, technical collaboration, and long-term customer support. With a global footprint, we serve clients in North America, Europe, and Asia, delivering not just products, but value-added solutions that enhance efficiency and reduce total cost of ownership.
Partner with SENMA for dependable silicone foam solutions that meet your exact specifications. Contact us today to discuss how we can support your projects with our expertise and commitment to quality.
FAQ
1. Who are we?
SENMA is a manufacturer specializing in high-performance silicone foam products, with over 15 years of experience in the industry.
2. How can we guarantee quality?
We implement rigorous quality control measures throughout our manufacturing process to ensure product consistency and reliability.
3. What can you buy from us?
Our product range includes silicone foam sheets, rolls, and die-cut gaskets tailored to various applications.
siliconefoamcn.com
4. Why should you buy from us instead of other suppliers?
SENMA offers customized solutions, advanced manufacturing capabilities, and a commitment to quality, ensuring products meet specific client requirements.
5. What services can we provide?
We provide end-to-end services from consultation and design to production and after-sales support, ensuring a seamless experience for our clients.
