polyurethane foam - Paulstra

POLYURETHANE
FOAM
HEAVY WEIGHT AND PU FILM
DESCRIPTION
100% waterproof black PU film bonded to 25 mm of heavy weight 5 kg/m2 corrugated
PU Ether absorption foam bonded to 3 mm of spring foam.
Temperature range : from - 25°C to + 110°C.
Fire resistance : M4.
APPLICATIONS
n
n
n
Generator sets,n Compressors, Pumps,
n
Agricultural and Construction, equipment machines,
Turbines,
n
Electric and Diesel engines, Test benches, ...
DIMENSIONS
Reference
841002
Lenght (mm)
700
Width (mm)
500
Thickness (mm)
25
Weight(kg)
1,99
841012
2000
1400
25
3,4
Tolérance : ± 6 mm
Note : Pour coller les mousses 841002 et 841012, nous vous conseillons d’utiliser une colle à base néoprène.
PAULSTRA - 61 rue Marius Aufan - 92309 Levallois-Perret Cedex - France - T. +33 1 40 89 53 31 - F. +33 1 47 25 28 96
www.paulstra-industry.com
ACOUSTIC PERFORMANCES
Approximate gain on a 2 mm steel sheet : - 20 dB (A).
Very good performance from 125 Hz to 4000 Hz.
100
90
841002 et 841012
841002 et 841012
The measures are made with 3 Kundt’s tubes
of different diametres to adapt the ranges
of frequencies. This experiments are made
according to the NF EN ISO 10534-2 standards.
80
Absorption
coefficient (%)
Coefficient Absorption
(%)
70
60
50
40
30
20
10
0
50
63
80
100
125
160
200
250
315
400
500
630
800 1000 1250 1600 2000 2500 3150 4000 5000 6300
Frequencies
Hz
Fréquences (Hz)
PAULSTRA - 61 rue Marius Aufan - 92309 Levallois-Perret Cedex - France - T. +33 1 40 89 53 31 - F. +33 1 47 25 28 96
www.paulstra-industry.com