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Sound dumping multilayer panels

Description: 

A sound damping panel is composed of two sheets of deciduous (birch and alder wood) water-resistant (phenolformaldehyde resin) plywood, between which there is inserted sound and vibration damping material (damping lining and rubber-cork). In case of improved surface, one of plywood sheets is additionally covered with a phenol film (160g/m2 ) protecting against moist.

Basic data: 

Standard sizes:
2440 x 1250mm – lub mniejsze wg uzgodnień

Thickness:
12 – 35 mm

Density:
680 – 740 kg/m3

Additional information: 
  • cutting to smaller sizes
  • straight and profiled finishing of the edges, drilling, milling of grooves, slots, rabbets - in CNC centres
Application: 

Plywood of noise and vibration damping properties for bus and wagon floors.

Sound damping [dB]:

 

Specification

Thickness Frequency
mm 100 200 300 400 500 1000 2000 3000 4000 5000 10000
Sound damping panel
with rubber insert
12 33,0 26,9 25,3 32,3 34,6 40,6 43,6 47,2 47,9 47,8 51,6
15 34,5 27,8 27,5 34,5 36,8 43,5 44,6 48,6 50 50,8 52,5
Sound damping panel
with rubber-cork insert
12 34 27 24,1 30,6 32,9 39,4 42,1 46,1 45,7 45,2 48,7
15 35 28,1 25,7 32,4 34,6 41,5 43,2 47,1 47,1 47,1 49,9

 

 

 

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