Hunter Douglas Luxalon ACCESS-T micro-perforated metal cassette

Luxalon ACCESS-T

PTB reference data

Original description

Material properties

Manufacturer: Hunter Douglas

Thickness: 0 in

Density: 80 kg/m³

Backing: 0.3 in mineral wool (80 kg/m³) with non-woven facing

Surface: micro-perforated

Up to fire class: non-combustible

Reverberation chamber (ASTM C423 / ISO 354)

NRC

0.75

derived from ISO 354 lab data

α_p nach ISO 11654

f (Hz)	125	250	500	1k	2k	4k
α_p	0.45	0.65	0.75	0.85	0.85	0.95

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Value from the PTB table, not verified

NRC: 0.75 (derived from ISO 354 lab data)

Measured values as a table (1 measurement)

Hunter Douglas Luxalon ACCESS-T micro-perforated metal cassette: sound absorption coefficient αs per ISO 354 by frequency and test build-up
Build-up	NRC	125 Hz	250 Hz	500 Hz	1000 Hz	2000 Hz	4000 Hz
Deckenkassette · gelocht	0.75	0.44	0.64	0.74	0.83	0.85	0.95

Measured values as a table (1 measurement)

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Last updated: 08/28/2026