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[China Aluminum Industry Network] Foam aluminum is a unique material composed of numerous bubbles and an aluminum diaphragm. Its irregular, three-dimensional bubble structure gives it a wide range of exceptional properties that make it suitable for various advanced applications.
1. Lightweight: One of the most significant advantages of foam aluminum is its low density. It weighs approximately 1/5 to 1/10 of pure aluminum, 1/20 of iron, and only 1/4 of wood or plastic. This makes it ideal for applications where weight reduction is essential without sacrificing structural integrity.
2. Sound Absorption: Foam aluminum excels in sound absorption due to its porous structure. When sound waves enter the material, they are scattered and reflected multiple times, converting their energy into heat. This process significantly reduces noise levels. Compared to other sound-absorbing materials, foam aluminum performs particularly well at low frequencies. Adding an air cavity behind the foam can further enhance its sound absorption capabilities, allowing it to be used across a broader frequency range. For instance, applying a 10 mm thick layer of foam aluminum on a concrete wall can reduce indoor noise by up to 17 dB.
3. Acoustic Enhancement: Foam aluminum can be combined with other sound insulation materials to improve overall acoustic performance. Its inherent sound absorption properties help create more effective noise control systems.
4. Fire Resistance: Foam aluminum exhibits excellent fire resistance. While pure aluminum melts at around 660°C, foam aluminum begins to soften at about 800°C (but does not fully melt). Even when exposed to temperatures as high as 780°C, it remains structurally intact without deformation. Unlike plastics, which release harmful gases when burned, foam aluminum is non-combustible and safe for use in fire-prone environments.
5. Electromagnetic Shielding: In addition to its sound absorption capabilities, foam aluminum also offers excellent electromagnetic shielding. This makes it ideal for use in electrical equipment rooms, where it can be installed as ceiling or wall panels to block unwanted electromagnetic interference.
6. Shock Absorption: When compressed, foam aluminum demonstrates a remarkable buffering effect. The bubble walls deform gradually, allowing the material to absorb impact energy effectively. This property makes it suitable for use in protective packaging and vibration-damping applications.
7. Low Thermal Conductivity: Foam aluminum has a very low thermal conductivity—only 1/60 to 1/500 of pure aluminum. This makes it an excellent insulating material, especially in applications requiring thermal management. Its coefficient of linear expansion is similar to that of pure aluminum, ensuring stability under temperature changes.
8. Easy to Process: Foam aluminum is highly versatile and easy to work with. It can be cut, drilled, bent, and embossed using standard tools. Adhesives can also be used to bond it to other materials, making it simple to integrate into different structures.
9. Convenient Installation: Due to its lightweight nature, foam aluminum can be easily installed manually, making it ideal for ceiling, wall, and roof applications. Its ease of processing allows for quick and efficient installation on-site, reducing labor costs and construction time.
10. Aesthetic Finish: The surface of foam aluminum can be painted using special processes without compromising its sound absorption properties. This allows for both functional and visually appealing installations.
11. Sandwich Panel Applications: Foam aluminum can be used as a core material between thin sheets of aluminum, copper, or titanium to create strong, lightweight sandwich panels. These panels are ideal for structural applications where strength and weight are critical factors.
Emergency LED battery pack allow the LED fixtures to meet code requirements for emergency illumination. When normal power fails, the LED emergency power supply which work in conjunction with the AC LED driver, immediately switch into emergency mode. When AC power is restored, the drivers automatically return to the charging mode including a battery. Products range to cover a variety of LED internal driver lights .
Emergency Module With Battery Pack,Battery Backup Led Light,LED Light Emergency Kit
Jiangmen City Pengjiang District Qihui Lighting Electrical Appliances Co., Ltd , https://www.qihuilights.com