Sound damping plywood

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

other sizes on request

Thickness:
12mm – 35 mm

Density:
680 – 740 kg/m3

Pliki do pobrania

Karta katalogowa

DS_Sound_dumping_multilayer_panels
pobierz (pdf)

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 reduction [dB]:

Specification	Thickness	Frequency
Specification	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
Sound damping panel with rubber insert	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
Sound damping panel with rubber-cork insert	15	35	28,1	25,7	32,4	34,6	41,5	43,2	47,1	47,1	47,1	49,9