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Sound-absorbing panels are a type of material used to improve the acoustic environment and are widely used in recording studios, conference rooms, theaters, classrooms and other places. Sound-absorbing panels can be divided into many types according to the material, structure and purpose. The following are common types of sound-absorbing panels:

1. Classification by material

1.1 Fiber sound-absorbing panels

Glass fiber sound-absorbing panels: Made of glass fiber, with good sound absorption and fire resistance.

Rock wool sound-absorbing panels: Made of rock wool, with good sound absorption and excellent fire and heat insulation properties.

Polyester fiber sound-absorbing panels: Made of polyester fiber, environmentally friendly and non-toxic, with good sound absorption, often used for interior decoration.

1.2 Foam sound-absorbing panels

Polyurethane foam sound-absorbing panels: Made of polyurethane foam, light weight, good sound absorption, often used in recording studios and home theaters.

Melamine foam sound-absorbing panels: Made of melamine foam, with excellent sound absorption and fire resistance.

1.3 Wooden sound-absorbing board
Wooden perforated sound-absorbing board: Made of wooden material, with perforated surface, good sound absorption effect, and decorative.

Wooden slotted sound-absorbing board: The surface is slotted, the sound absorption effect is better, and it is often used in high-end conference rooms and concert halls.

1.4 Metal sound-absorbing board
Aluminum sound-absorbing board: Made of aluminum plate, with perforated surface, good sound absorption effect, and fireproof and moisture-proof performance.

Stainless steel sound-absorbing board: Made of stainless steel plate, durable and easy to clean, often used in industrial environments.

2. Classification by structure
   2.1 Perforated sound-absorbing board
   Single-layer perforated sound-absorbing board: There are evenly distributed holes on the surface, and the sound absorption effect is good.

Double-layer perforated sound-absorbing board: It is composed of two layers of perforated board, and the middle is filled with sound-absorbing material, and the sound absorption effect is better.

2.2 Slotted sound-absorbing board
Single-slot sound-absorbing board: There is a single row of slots on the surface, and the sound absorption effect is better.

Multi-groove sound-absorbing board: There are multiple rows of grooves on the surface, which has better sound absorption effect.

2.3 Composite sound-absorbing board
Multi-layer composite sound-absorbing board: It is made of multiple materials, has excellent sound absorption effect, and has multiple functions (such as fire prevention, heat insulation, etc.).

3. Classification by use
   3.1 Wall sound-absorbing board
   Decorative sound-absorbing board: It has both sound absorption and decorative functions, and is often used in conference rooms, theaters and other places.

Functional sound-absorbing board: It is mainly used for sound absorption and is often used in professional places such as recording studios and concert halls.

3.2 Ceiling sound-absorbing board
Ceiling sound-absorbing board: It is installed on the ceiling, has good sound absorption effect, and is decorative.

Suspended sound-absorbing board: It is suspended under the ceiling, has better sound absorption effect, and is often used in large venues.

3.3 Floor sound-absorbing board
Carpet sound-absorbing board: It is made of carpet material, has good sound absorption effect, and is often used in homes and offices.

Floor mat sound-absorbing board: made of rubber or foam material, with good sound absorption effect and anti-slip function.

4. Classification by installation method
   4.1 Fixed sound-absorbing board
   Wall fixed sound-absorbing board: fixed on the wall, with good sound absorption effect and easy installation.

Ceiling fixed sound-absorbing board: fixed on the ceiling, with good sound absorption effect and decorative effect.

4.2 Movable sound-absorbing board
Mobile sound-absorbing screen: movable sound-absorbing screen, flexible and convenient, often used for temporary sound insulation needs.

Folding sound-absorbing board: foldable sound-absorbing board, easy to store and transport, often used in temporary places.

Summary
There are many types of sound-absorbing boards. According to different materials, structures, uses and installation methods, suitable sound-absorbing boards can be selected to improve the acoustic environment. Common sound-absorbing boards include fiber, foam, wood and metal sound-absorbing boards, as well as perforated, slotted and composite sound-absorbing boards. Choosing the right sound-absorbing board can effectively reduce noise and improve the quality of the acoustic environment.