perforated soundproofing sandwich panel for wall and temporary partition

Feature: 1. it has wide sound absorption spectrum, high sound absorption coefficient, wider band absorption effect for low, medium and high frequency noises.

2. it is noncombustible, dust-free, strong decorative effect, simple construction and so on.

3. Hole diameter:2.5mm;4mm;5mm

4. Normal color: white gray,sea blue and red.

5. It can reduce 25-30 Db noise.

6. The width is 980mm and 1180mm

7. The connection is groove and tongue.

Structure:: filled with mineral wool inside, aluminum frame, wrapped with fiberglass cloth, and covered with perforated aluminum decorative plate on the surface.

Flame retardance: Class A

Application: gymnasium, auditorium, conference hall, hotel, ballroom, karaoke hall, cinema, bowling alley, language chamber, rehearsal hall, hospital, noise control for workshop, machine room and generator room and so on.