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APPLICATION SCENARIOS
1. Inside the floor of passenger cars, reducing the transmission of road vibrations
2. In the cab of commercial vehicles, enhancing driving and riding comfort
3. At the bottom of the battery compartment of electric vehicles, buffering vibrations to protect the battery pack
4. At the connection between the vehicle chassis and body, reducing structural noise and vibration
Product Description
High-end silicone foam materials adopt the liquid silicone foaming process, achieving precise density control of 330-370kg/m³, while featuring both EN45545-2 HL3 fire certification and adaptability to extreme temperatures of -55℃~200℃. With a permanent deformation rate ＜1% and resilience ＞90%, they meet the extreme performance requirements for lightweight sealing materials in fields such as rail transit and aerospace, with comprehensive indicators reaching the international advanced level.
PRODUCT FUNCTION
Ultra-wide temperature range stability:
Maintains elasticity without cracking at -55℃ low temperature, no hardening during long-term use at 200℃ high temperature, and performance degradation after thermal aging is ＜5%.
Intrinsic fire safety:
Complies with EN45545-2 HL3 (highest fire protection level for rail vehicles), with smoke toxicity emission 50% lower than the standard limit.
Permanent sealing guarantee:
Compression set ＜1% (per ISO 1856 test); after 100,000 dynamic compression cycles, the deformation recovery rate is ＞99%.
Environmental compliance certification:
Meets TB/T 3139 (China's environmental protection standard for rail vehicle materials) and EU REACH regulation.
Lightweight structural advantages:
The ultra-low density of 330kg/m³ reduces equipment load, achieving a 40% weight reduction compared to EPDM materials.
PERFORMANCE INDEX
Density range: 330-370 kg/m³ (±3% tolerance)
Fire rating: EN 45545-2 HL3 (all items R24/R25/R26/R27/R28/R29 compliant)
Temperature range: -55℃~200℃ (continuous service life ＞10 years)
Mechanical properties:
Compression set ＜1% (70℃×22h)
Rebound rate ≥90% (ASTM D1054)
Tear strength ≥8 kN/m
Environmental certifications: TB/T 3139, REACH, RoHS 2.0
APPLICATION AREA
Rail transit: Door and window sealing of high-speed rail/metro vehicles, fireproof compartments of electrical and mechanical cabinets
Aerospace: High-temperature sealing of engine compartments, vibration-damping pads for avionics equipment
New energy batteries: Fireproof sealing rings for power battery packs, waterproof grooves of charging piles
Industrial equipment: Door sealing of semiconductor cleanrooms, gaskets for high-temperature reaction kettles
Specialty sealing: Geothermal power pipelines, pressure-resistant sealing for deep-sea exploration equipment
The vibration damping mats are fabricated from silicone foam sealing material using a liquid silicone foaming process, offering a highly effective solution for reducing structural load while maintaining performance across demanding transport and industrial applications. The key advantage lies in the material's optimized density and exceptional mechanical stability.
The core structural advantage is the lightweight structural advantages achieved by its low density. With a precise density control that is extremely low, the material provides a significant weight reduction compared to traditional damping elastomers like EPDM. This reduction in weight is critical in transportation sectors such as passenger cars and electric vehicle battery trays, where every kilogram saved contributes to energy efficiency, reduced fuel consumption, or extended battery range. The mats can be deployed across large surfaces, such as inside the floor of passenger cars, to absorb road vibrations without adding significant mass to the vehicle structure.
Crucially, this low mass does not compromise the high performance required for effective vibration isolation. The vibration damping mats are designed to offer a permanent sealing guarantee with exceptional mechanical properties. The material's compression set is minimal, and its resilience is very high. This ensures that after prolonged periods of stress and dynamic compression cycles, the mats fully recover their shape and thickness. This sustained performance is essential for the longevity of the damping effect, preventing structural noise and vibration caused by material collapse.
Furthermore, the material offers ultra-wide temperature range stability, ensuring performance is maintained regardless of external conditions. The mats remain elastic at extreme low temperatures and resist hardening during long-term use at high temperatures. This stability in performance, combined with its high fire resistance (compliant with the stringent EN45545 HL3 standard), ensures that the lightweight solution meets the extreme performance requirements for safety and reliability in critical fields like rail transit and aerospace.
The vibration damping rubber pads, utilizing high-end silicone foam sealing material, offer versatile and reliable performance across a wide range of multi-scenario applications, including rail, automotive, and highly specialized specialty engineering projects. The material's extreme adaptability and robust certifications allow it to serve as a high-performance sealing and damping component in harsh and varied environments.
In the automotive sector, these pads are crucial for enhancing occupant experience and protecting vital components. They are used in commercial vehicle cabs to improve driving and riding comfort by dampening engine and road noise, and at the connection between the vehicle chassis and body to reduce structural noise. A particularly critical application is at the bottom of the battery compartment of electric vehicles, where they provide essential buffering vibrations to protect the battery pack from road impact and cyclical stress, directly contributing to battery life and safety.
In rail transit, the mats are deployed for door and window sealing of high-speed rail/metro vehicles and within fireproof compartments of electrical and mechanical cabinets. The intrinsic fire safety of the pads, achieving the highest fire protection level for rail vehicles, makes them indispensable for fire compartmentation. Their permanent sealing guarantee and resilience ensure doors and windows remain sealed and quiet throughout the vehicle's long operational life.
Beyond transportation, the vibration damping mats excel in specialty sealing and extreme industrial environments. They are utilized in aerospace for high-temperature sealing of engine compartments and for vibration-damping pads for avionics equipment due to their ultra-wide temperature range stability and low weight. In the new energy batteries sector, they are used for fireproof sealing rings for power battery packs. The comprehensive environmental compliance certification ensures these vibration damping rubber pads meet rigorous safety and hygiene standards across all application fields.
The silicone foam vibration isolation dampening pads are engineered from high-end silicone foam sealing material specifically to provide reliable sealing and vibration control in demanding industrial high-temperature equipment and environments where extreme thermal stability is non-negotiable.
The defining characteristic is the ultra-wide temperature range stability offered by the silicone foam. The material maintains its crucial elasticity and mechanical integrity across an extreme temperature range, ensuring no hardening during long-term use at 200℃ high temperature and remaining flexible without cracking at low temperature.5 This thermal resilience is essential for specialized industrial applications such as gaskets for high-temperature reaction kettles and high-temperature sealing of engine compartments in aerospace. The minimal performance degradation after thermal aging guarantees that the damping and sealing functions remain consistent over a service life of many years.
This robust thermal profile is coupled with permanent sealing guarantee features. The vibration isolation dampening pads exhibit a compression set that is extremely low, meaning they resist permanent compression and maintain their thickness and sealing force over time, even under continuous heat and pressure. This is crucial for applications requiring absolute integrity, such as door sealing of semiconductor cleanrooms or pressure-resistant sealing for deep-sea exploration equipment, where a seal failure due to material creep is unacceptable.
Finally, the silicone foam ensures the highest level of safety and quality control. The material is manufactured to high precision and complies with the strictest fire safety standards (EN45545-2 HL3), which provides essential protection when used in environments like fireproof compartments of electrical and mechanical cabinets. This combination of high-temperature resistance, excellent mechanical rebound, and intrinsic fire safety makes the silicone foam vibration isolation dampening pads the advanced choice for high-reliability industrial and specialty sealing applications.
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