illbruck WHITELINE ceiling system made of melamine foam

WHITELINE

PTB reference data

Original description

Material properties

Manufacturer: illbruck GmbH

Thickness: 10 mm

Wall distance: 300 mm, 100 mm

Up to fire class: B1 according to DIN 4102 (not easily flammable)

ISO 354 – reverberation chamber· 2 variants

α_w

0.65

α_p per ISO 11654

f (Hz)	125	250	500	1k	2k	4k
α_p	0.20	0.50	0.55	0.70	0.75	0.80

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Compare		Value
	300 mm	α_w0.65
	100 mm	α_w0.50

Weight / density: 9,5 kg / m³

Dimensions: 625 x 625 mm, 1250 x 625 mm

Measured values as a table (2 measurements)

illbruck WHITELINE ceiling system made of melamine 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
10 mm thickness der Dämmstoffschicht · 9,5 kg / m³ · 300 mm · glatt, white	0.65	0.13	0.29	0.45	0.55	0.55	0.54	0.54	0.57	0.62	0.71	0.73	0.74	0.75	0.79	0.81	0.83
10 mm thickness der Dämmstoffschicht · 9,5 kg / m³ · 100 mm · glatt, white	0.50	0.15	0.16	0.18	0.21	0.26	0.39	0.49	0.60	0.66	0.72	0.66	0.63	0.62	0.63	0.66	0.72

Measured values as a table (2 measurements)

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Last updated: 02/09/2026