Nordisk Akustik self-adhesive bonded foam

PTB reference data

Original description

Material properties

Manufacturer: Nordisk Akustik A/S

Thickness: 10 mm, 20 mm, 30 mm

ISO 354 – reverberation chamber· 3 variants

α_w

0.60

α_p per ISO 11654

f (Hz)	125	250	500	1k	2k	4k
α_p	0.20	0.30	0.60	0.80	0.75	0.55

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Weight / density: 100 kg / m³

Dimensions: 1000 x 2000 mm

Measured values as a table (3 measurements)

Nordisk Akustik self-adhesive bonded foam: sound absorption coefficient αs per ISO 354 by frequency and test build-up
Build-up	α_w	125 Hz	160 Hz	200 Hz	250 Hz	315 Hz	400 Hz	500 Hz	630 Hz	800 Hz	1000 Hz	1250 Hz	1600 Hz	2000 Hz	2500 Hz	3150 Hz	4000 Hz	5000 Hz	6300 Hz	8000 Hz
10 mm · 100 kg / m³	0.50	0.15	0.16	0.18	0.20	0.30	0.40	0.51	0.48	0.46	0.44	0.60	0.73	0.88	0.82	0.75	0.68	0.60	0.50	0.44
20 mm · 100 kg / m³	0.60	0.18	0.22	0.26	0.29	0.40	0.52	0.63	0.70	0.77	0.83	0.82	0.81	0.80	0.70	0.60	0.50	0.53	0.57	0.60
30 mm · 100 kg / m³	0.60	0.26	0.34	0.42	0.52	0.60	0.66	0.71	0.69	0.68	0.67	0.60	0.52	0.48	0.49	0.50	0.51	0.52	0.53	0.54

Measured values as a table (3 measurements)

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Last updated: 28/08/2026