Hunter Douglas Luxalon 75 C perforated aluminum panels (series 2)

Luxalon 75 C

PTB reference data

Original description

Material properties

Manufacturer: Hunter Douglas

Thickness: 0.5 mm

Wall distance: 200 mm

Surface weight: 2.13 kg/m²

Hole size: 1 mm

Backing: black acoustic non-woven facing

Surface: pre-coated, stove-enameled

Application: ceiling

ISO 354 – reverberation chamber

α_w

0.85

α_p nach ISO 11654

f (Hz)	125	250	500	1k	2k	4k
α_p	0.30	0.65	0.85	0.85	0.85	0.65

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Value from the PTB table, not verified

Measured values as a table (1 measurement)

Hunter Douglas Luxalon 75 C perforated aluminum panels (series 2): 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
200 mm · Deckenpaneele · gelocht	0.85	0.30	0.35	0.48	0.70	0.79	0.85	0.90	0.87	0.87	0.80	0.86	0.90	0.90	0.80	0.70	0.65	0.63	0.55

Measured values as a table (1 measurement)

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Last updated: 02/09/2026