Aluminum Foam for Lattice Silencer

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Product Description

 100% Recycling Soundproofing Closed Cell Aluminum Foam Panel

What is AluminumFoam?

Aluminum foam is a new concept metalmaterial which is foamed in sponge shape after melting aluminum ingot with various chemical ingredients and has many bubble layers inner structure.

Porous material is much lighterthan original one, which is the characteristic of porous. And, it improves the ability of  energy absorption and reduces the abilityof thermal and electrical conductivities than original metal materials. Inaddition, porous material has wide applications as well as excellent ability ofsound absorption and permeability of liquid, air, etc.

Aluminumfoam, a metal itself, can be applied to aerospace aviation required the  thermostability over 200℃. It is a 100%  recyclabl ecofriendly material and absolutely will not produceharmful substances no matter in the process of producing,  using or abandoning.

Main properties of aluminum foam


Density is 0.2~0.4g/cm3 (Aluminium1/10,Iron1/30, and Wood 1/4)


Porous structure has a good soundabsorption.

Aluminum foam sound-absorbing materialcan be used in the inner decoration of buildings (walls, ceiling and floor),railway, highway, factories, mechanical equipment and any other fields.

Suitable for noisy place.


100%non-flammability and no toxic gas released when burning.

Non-combustibility TEST verified to be qualified. <KIMM; IMO A.799 (19)>

I grade Non-flammability TEST ofaluminum foam surface verified to be qualified. <KICT; KS F2271>


Porous structure can effectively absorbenergy.

Have a great effect on energyabsorption after a high impact.

Firstly acquired the national SB5class (Guard rail shock-absorber)

Electromagnetic wave shielding ability

Aluminum foam has a function ofabsorbing electromagnetic wave

Widely used in military (stealth materials),TV station, hospital and any other electromagnetic shielding places.


100% recyclable Aluminum foam is nonpoisonous, odorless andharmless, no toxic gas released when burning.

Aluminum foam can be produced by recycled aluminum andits scraps.



Aluminum foam composed panel

Aluminum  honeycomb plate





Aluminum plate(GRP plate)

aluminum foam

aluminum plate(GRP plate)

Aluminum plate(GRP plate)

aluminum honeycomb

aluminum plate(GRP plate)

Waterproof performance

long time  immersion and corrosion in water)

Excellent(oxidized pure metal)

Excellent but easy to rust

Fireproof performance


(Non-flammability of pure metal)

General (Glue layer in the middle is not resistant to  high temperature)

ComparisonAluminum Foam with Other Sound-absorbing Materials


Aluminum Foam


Glass Fiber

Urethane Form





SiO2, mineral

high molecular Material

Acoustic absorption(NRC Standar d)

over 0.70

over 0.70

over 0.75

over 0.65

Long-term sound absorption


Property is decreased

Property is decreased

Property is decreased


100% recyclable Eco-friendly

No recyclable, flammable, produce  little dust

No recyclable, no flammable, arsenic acid cause gas  pollution

No recyclable and flammable

Materials handling & Constructability

Easy handling, using and working under no protective  equipment

No damage when handling and using, easy to work under no  protective equipment

Low stability. Easy to cause  respiratory disease and skin ailments when touching

No damage when handling and using, easy to work under no  protective equipment

Human harmfulness




Poisonous gas (CO, Cyan gas) release when burning

Waterproofness & Sound  absorption

Waterproofness is  excellent , stable form, permanent sound absorption

Waterproofness and  adhesion is good, stable form

Absorb moisture and poor drainage cause lower acoustic  absorption

Absorb moisture and poor drainage cause lower acoustic  absorption


grade Non-flammability
 -under 780℃


 -under 350℃

Easy flammable
 -under 100℃

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Q:What is the structure of the sound barrier?
Sound barrier height between 1m and 5m, covering the effective area of ​​the average noise reduction of 10 ~ 15dB (A) (125Hz ~ 40000Hz, 1/3 octave), up to 20dB (A). In general, the higher the sound barrier, or the farther away from the sound barrier, the better the noise reduction effect.
Q:What is the principle of noise board?
The vibration produces sound and the sound propagates through the medium. Any object can spread the sound, so any object can be called medium. Experiments show that: sound through the density of large media, the sound energy loss is large, so the greater the density of objects, the better the volume.
Q:Home improvement sound insulation materials which?
Vibration of the transmission, the thickness of the material 1mm, 2mm, 3mm range, by the National Building Materials Bureau detection, the discretion of the volume of Rw were 23dB, 27dB, 30dB, the flexibility of the material is also very good, you can bend,
Q:What are the most common noise reduction materials?
As a soundproof material, the general closed-cell structure, the greater the density the better the sound insulation!
Q:How easy it is for the soundproof wall to be soundproof
Or change the sound quality, to achieve a certain effect. Whether a space requires sound insulation, it depends on the building's own quality and sound quality. Under normal circumstances, commercial residential materials is better, the quality of this building is also tested. So under normal circumstances, this building is no need for sound treatment. But the residence of ordinary residents is different, most of the buildings on both sides of the road, so in order to facilitate transportation, but it brings the noise of trouble. Which requires the majority of users choose noise walls to effectively deal with the noise.
Q:What is the best soundproofing of the piano room?
The general street-like noise with a soft bag to isolate some to ensure that all to try the curtains to the goose down cloth kind of thick things to move away to take the curtains side of the joints to use things to try to make it close
Q:What is the noise insulation material of the car?
Materials to light, lightweight is the development of the entire automotive manufacturing sector trend, lightweight materials will not increase the weight of the body after the construction of too much to increase fuel consumption.
Q:What can be placed on the floor noise?
Floor noise insulation materials are mainly used for KTV, disco, factories, home theater and other places with strong noise source sound insulation. Sound insulation, light, black finish, tensile strength; construction convenience, low cost; flame retardant, moisture, moth; in high temperature and low temperature conditions should not be broken and soft
Q:What is the best sound insulation material?
Soundproof material varied, daily people are more common with solid brick, reinforced concrete walls, wood, gypsum board, iron, sound insulation felt, fiberboard, and so on.
Q:How to buy sound insulation sound insulation of the best sound insulation
Wall noise treatment using vibration cushion + light steel keel + composite sound insulation board approach: mainly to reduce the sound waves on the wall of the impact of vibration cushion should be properly installed, can not loose the impact of the safety of the safety board.

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