Silicone Foam Sheet Roll
4 week ago
Product details
Core Advantages of Vibration and Noise Reduction
The vibration and noise reduction capabilities of closed cell silicone foam primarily stem from the synergistic effect of their porous elastic structure and the intrinsic properties of the material.
1. Efficient Vibration Energy Absorption
The porous structure of silicone foam can be considered a "micro-spring-damper system": when subjected to external impact or vibration, the pore walls undergo elastic deformation, converting mechanical energy into heat through internal friction within the molecular chains, thereby reducing vibration transmission efficiency. Its absorption of mid- and low-frequency vibrations is particularly effective.
2. Broadband Sound Insulation and Sound Wave Regulation
For sound insulation, Sound dampening silicone foam reduces sound transmission through two mechanisms:
Mass effect: Although the material itself has a low density, increasing its thickness increases its acoustic impedance, reflecting some sound waves.
Viscous dissipation: When sound waves propagate through the pores, they induce compression and expansion of the gas within the pores, resulting in energy loss due to gas viscosity.
3. Fatigue Resistance and Long-Term Stability
Silicon foam has an inorganic Si-O backbone structure, making it highly resistant to oxidation and hydrolysis. It is less susceptible to aging, embrittlement, and pore collapse. It is suitable for applications requiring long-term stress, such as automotive engine mounts and shock absorbers for industrial equipment.
Core Advantages of Insulation
Silicone foam's insulating properties are closely related to its extremely low thermal conductivity, high-temperature resistance, and chemical inertness.Heat insulation silicone foam
1. Extremely Low Thermal Conductivity
Silicone foam's closed-cell structure is filled with gases with low thermal conductivity, and the molecular chain motion of the silicone rubber matrix is restricted, resulting in a thermal conductivity far lower than that of traditional insulation materials. It can be used as Heat insulation silicone foam sheet.
2. Excellent High- and Low-Temperature Adaptability
Silicone foam has an extremely wide operating temperature range (long-term stability from -100°C to 250°C, and short-term stability up to 300°C). This makes it suitable for insulation needs in high-temperature equipment and extreme environments.
3. No Cold Bridges and Moisture Barrier
Silicone foam's closed-cell structure is almost completely sealed, effectively preventing water vapor penetration and preventing the increase in thermal conductivity caused by water absorption. Furthermore, it has no shed fibers or particles, preventing the formation of "cold bridges," resulting in more stable insulation performance.
4. Synergistically Enhanced Electrical Insulation
Silicon foam combines both electrical and thermal insulation properties, making it suitable for applications requiring both insulation and preventing insulation failure due to heat buildup.It can be use as electrical insulated silicone foam sheet,
Other Comprehensive Advantages
In addition to the core properties mentioned above, silicone foam's comprehensive properties further expand its application scenarios:
Lightweight: Low density makes installation and transportation easier;
Chemical Stability: Resistant to acids, alkalis, and oils, suitable for industrial equipment and marine environments;
Processing Flexibility: Can be molded and extruded into any shape to meet customized needs;
Environmental Protection: Halogen-free, low VOC emissions, and some products are recyclable.
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