What are the considerations for choosing a aluminum foam acoustic panel material?

Common acoustic noise reduction Materials on the market today include polyester fiber, glass wool, polyurethane foam, andfoam metal materials. As a cost-effective foam aluminum sound-absorbing panel material, its sound insulation and noise reduction capacity is 7-10 times that of polyurethane foam, glass fiber, and honeycomb aluminum. Applied to high-speed trains and automobile panels, the sound insulation loss is close to 30 dB. According to test data, the sound insulation level of ordinary sound can only be reduced by 5dB, and the aluminum foam material can be reduced by 10-20 dB.

With the development of the industrialization of aluminum foam, aluminum foam has been increasingly used in the fields of highway acoustic barriers, highway tunnel noise reduction, and tunnel, and tunnel ventilation with its superior acoustic absorption, noise reduction, and related properties. Acoustic walls for swimming pools; Interior decoration for entertainment venues; Aluminum foam acoustic flooring; Aluminum foam is used in the manufacture of silencers for trucks, buses, and cars. Aluminum foam is used to produce sound-absorbing liNings, such as recording studios, dubbing studios, concert halls, conference rooms, stadiums, and so on.

These factors should be considered when selecting an aluminum foam acoustic panel material:

1. Acoustic environment requirements: If you need to reduce the middle and high-frequency noise or reduce the middle and high-frequency reverberation time, you should choose the middle and high-frequency sound absorption coefficient of high sound absorption materials, such as soft bags, acoustic materials, etc.; such as the need to reduce the low-frequency noise or low-frequency reverberation time, you should choose low-frequency sound absorption coefficient of high sound absorption materials, such as grooved wood acoustic panels, perforated wood panels, and other perforated sound-absorbing materials.

2. Building environment requirements: In case of humid environments, such as swimming pools, ski resorts, underground engineering sites, etc., waterproof, moisture-proof, moth-proof, mold-proof, anti-bacteria, and other factors should be considered to avoid changes in material properties affecting the acoustic effect; Foam Aluminum Acoustic Panel

3. Fire retardant performance: Conventional materials have flame retardant, flame retardant, and non-flammable performance levels. Cinemas, hotels, and large public places need to use flame-retardant acoustic materials. Under the premise of ensuring the safe use of acoustic materials, the acoustic effect of acoustic materials should be fully utilized.

4. Strength: Sound-absorbing materials must meet a certain mechanical strength to maintain structural integrity and durability, and not easy to age in the process of handling, installation, and use, affecting the sound-absorbing effect.

5. The material is easy to process, install, and maintain. In large-span stadiums, usually using low-density acoustic cotton, space acoustic body, and other lightweight materials, foam aluminum acoustic panels.

6. Safety and environmental protection. Acoustic materials in the building installation project will not scatter debris and dust, will not volatilize toxic and harmful gases (formaldehyde), will not radiate harmful substances, and will not harm human health, which requires acoustic materials to have authoritative product testing reports.

7. Acoustic materials in addition to meeting the requirements of sound absorption, but also decorative materials, such as cinemas, multi-purpose halls, venues, theaters, and other places. The use of sound-absorbing materials needs to have a decorative effect to meet the aesthetic effect.