What is the material of sound absorbing sponge?

What is the sound-absorbing sponge? The principle of sound absorbing sponge, sound absorbing sponge is a kind of technology that is very mature and low cost noise reduction solution. It is a common sponge that is formed by high pressure molding. It was first used in recording studios, conference halls, KTV and other places. With the increasing desire for comfortable living environment, sound-absorbing sponges began to enter the family. As a wall attachment structure, it can meet your needs for creating a quiet environment, and it also has certain Ventilation.

Sound absorption principle:
The sound absorbing sponge is used to achieve noise reduction and sound absorption through the reflection of sound waves in the sponge. It is understood that when the laying area is more than 3 square meters, good sound absorption and sound insulation effects can be achieved. Generally, it is not necessary to lay a sound-absorbing sponge in the whole house. The half-wall can be laid on the whole wall at most. The general sound-absorbing sponge retail price is about 35 yuan/square meter, and various special types of sound-absorbing cotton--with flame retardant, conductive, heat preservation, etc. The required sound absorption is slightly more expensive.

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Normaly For Men's Size: 54,56,58,60,62

For Kids Size: 20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52.

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