1, define,

The geometric surface of the microporous surface increases the viscosity boundary layer formed by acoustic molecules on the microporous surface and the axial velocity difference of air particles in the microporous surface to produce a penetrating loss effect, so as to obtain a good sound-absorbing effect.

2, the characteristics of

(1) Ultramicro pore sound-absorbing aluminum plate belongs to the characteristics of absorbing full frequency, and uses the control of the thickness of the air layer behind it to reduce the low, middle and high frequency sound energy. Sound absorption rate is very strong, up to 0.7-0.9.

(2) The aperture is only 0.04mm, and the micropores can hardly be seen from the normal distance.

The back does not need to be covered with any sound-absorbing material.

④ The surface is treated with special fluorocarbon baking paint, powder baking paint or anode, but it does not block micropores.

⑤ With light weight, non-toxic, fire prevention, waterproof, salt resistance, dustproof, high sound-absorbing rate, high pollution resistance, long service life, high electromagnetic shielding, color change and easy to cut performance, and cutting will not cause environmental pollution of the efficient sound-absorbing material.

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