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Acoustical Properties

Sound insulation
(ACC to DIN 4109)

Table for weight of ALUCOBOND®
Panel thickness
Average airborne sound transmission loss R
3mm
24dB
4mm
25dB
6mm
26dB

Frequency range 100-3200Hz)

Sound absorption
(ACC to EN20354) Sound absorption factor as Average = 0.05 for all panel thicknesses.

Vibration dampening
(ACC to EN ISO 6721)

Panel thickness
Loss factor d (frequency 200Hz)
3mm
0.0072
4mm
0.0087
6mm
0.0138

The loss factor of ALUCOBOND® is about 6 times better than that of a solid aluminium sheet.

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