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 are the cheapest sound insulation materials?
Sound insulation materials are mainly soundproofing function sound insulation material green no harm fully meet the environmental protection E1 level fire safety requirements of the fire rating of A level of its cheap price of cheap material is mainly used for bar, KTV, karaoke OK, night and so on need to sound insulation
Q:What are the fireproof soundproof materials?
The crest of the crest sound-absorbing sponge is a kind of sponge which is specially formed by the equipment to form a concave and convex wave shape. The interior is filled with fine voids and semi-open structure, which can absorb the sound energy of the incoming sound and attenuate the sound waves , Reduce the indoor reflection of the interference and reverberation, improve the sound purity.
Q:Home decoration noise what material is good
Indoor noise material 4: gypsum board, hard fiber board, etc. can be fixed around the plate, and then connected to the board after the closed air layer, so as to achieve the effect of sound and sound insulation.
Q:What is the sound insulation of the glass window?
Double-layer steel hollow LOV-E glass
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:What are the sound insulation materials?
Honeycomb sound insulation board, cork insulation board, asphalt sound insulation board, low frequency shock absorber board
Q:What is the type of noise board?
Such as the use of sound-absorbing cotton, sound-absorbing panels and other materials, the use of continuous analysis of the sound of the way to achieve the weakening of the transmission of sound, while changing the scope of sound transmission.
Q:What is the soundproofing between the bedroom and the bedroom?
Practice has proved that the noise of various frequencies have a good absorption effect.
Q:Are the materials in the meeting room soundproofed?
So the gradient of sound-absorbing cotton is not just a safe sound-absorbing cotton, and it is an efficient sound-absorbing cotton.

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