Hunter Douglas Luxalon 84 B fiber absorber on metal panels

Luxalon 84 B

PTB reference data

Original description

Material properties

Manufacturer: Hunter Douglas

Thickness: 0 in

Wall distance: 7.9 in

Surface weight: 1.7 kg/m²

Density: 22 kg/m³

Backing: 0.8 in mineral wool blanket (22 kg/m³)

Surface: unperforated, pre-coated, stove-enameled

Reverberation chamber (ASTM C423 / ISO 354)

NRC

0.60

derived from ISO 354 lab data

α_p nach ISO 11654

f (Hz)	125	250	500	1k	2k	4k
α_p	0.35	0.70	0.65	0.55	0.40	0.30

Create a permanent free account — Access frequency bands, variants and export.

Free. No password required.

Value from the PTB table, not verified

NRC: 0.60 (derived from ISO 354 lab data)

Measured values as a table (1 measurement)

Hunter Douglas Luxalon 84 B fiber absorber on metal panels: sound absorption coefficient αs per ISO 354 by frequency and test build-up
Build-up	NRC	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 · ungelocht	0.60	0.20	0.50	0.60	0.77	0.79	0.70	0.71	0.60	0.50	0.57	0.56	0.46	0.43	0.33	0.30	0.32	0.34	0.40

Measured values as a table (1 measurement)

Access frequency bands, variants and export. Create a permanent free account

Last updated: 08/28/2026