MetalHighly absorbent

Physikalisch-Technische Bundesanstalt

Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 167

Value from the PTB table, not verified

Luxalon 132 B fiber absorber on aluminum panels, non-perforated

Luxalon 132 B

PTB reference data

Original description

Material properties

Manufacturer: Hunter Douglas

Thickness: 0.5 mm

Wall distance: 200 mm

Density: 70 kg/m³

Perforation: 0%

ISO 354 – reverberation chamber· 2 variants

α_w

0.55

α_p per ISO 11654

f (Hz)	125	250	500	1k	2k	4k
α_p	0.45	0.80	0.80	0.65	0.50	0.40

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Compare	Value
	α_w0.55
	α_w0.50

Weight / density: Mineralwolldichte 70 kg / m³

Dimensions: Paneelbreite 132 mm, Schlitzbreite 24,25 mm

Application: Deckenpaneele

Distance: 200 mm

Measured values as a table (2 measurements)

Luxalon 132 B fiber absorber on aluminum panels, non-perforated: sound absorption coefficient αs per ISO 354 by frequency and test build-up
Build-up	α_w	100 Hz	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
Mineralwolldichte 70 kg / m³ · 200 mm · Deckenpaneele · ungelocht	0.55	0.33	0.40	0.67	0.82	0.81	0.83	0.82	0.82	0.73	0.74	0.67	0.60	0.53	0.54	0.40	0.38	0.40	0.40	0.34
Mineralwolldichte 70 kg / m³ · 200 mm · Deckenpaneele · ungelocht	0.50	0.33	0.41	0.60	0.82	0.81	0.83	0.82	0.80	0.72	0.67	0.60	0.54	0.52	0.46	0.33	0.35	0.36	0.33	0.34

Measured values as a table (2 measurements)

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Last updated: 28/08/2026