Name: pinta acoustic BALANCE willtec melamine foam with non-woven facing
Creator: Physikalisch-Technische Bundesanstalt (PTB)
License: https://acousticindex.com/en-us/terms-of-use

Measured values as a table (16 measurements)

pinta acoustic BALANCE willtec melamine foam with non-woven facing: sound absorption coefficient αs per ISO 354 by frequency and test build-up
Build-up	NRC	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
20 mm · 9,5±1,5 kg/m³ · 300 mm	0.90	0.18	0.32	0.38	0.47	0.47	0.73	0.75	0.76	0.83	1.02	1.04	1.15	1.18	1.24	1.26	1.21	1.10	1.08
20 mm · 9,5±1,5 kg/m³ · 200 mm	0.85	0.10	0.15	0.30	0.38	0.38	0.64	0.80	0.83	0.98	0.93	1.04	1.06	1.14	1.16	1.14	1.07	1.01	0.98
20 mm · 9,5±1,5 kg/m³ · 100 mm	0.85	0.06	0.08	0.17	0.33	0.38	0.62	0.79	0.91	1.08	1.13	1.07	1.01	1.01	1.05	1.05	1.01	0.95	0.86
20 mm · 9,5±1,5 kg/m³ · 300 mm	0.85	0.27	0.31	0.45	0.40	0.41	0.66	0.76	0.73	0.84	1.00	1.06	1.17	1.18	1.23	1.26	1.18	1.10	1.08
20 mm · 9,5±1,5 kg/m³ · 200 mm	0.90	0.24	0.28	0.33	0.37	0.49	0.70	0.84	0.93	0.94	0.90	1.01	1.10	1.13	1.13	1.12	1.08	1.01	1.00
20 mm · 9,5±1,5 kg/m³ · 100 mm	0.90	0.08	0.18	0.20	0.32	0.40	0.61	0.79	1.01	1.10	1.11	1.08	0.98	1.04	1.08	1.09	1.00	0.93	0.87
40 mm · 9,5±1,5 kg/m³ · 300 mm	1.10	0.17	0.33	0.49	0.61	0.68	0.95	1.07	1.14	1.23	1.22	1.25	1.41	1.45	1.38	1.43	1.33	1.21	1.10
40 mm · 9,5±1,5 kg/m³ · 200 mm	1.10	0.15	0.28	0.48	0.64	0.70	0.96	1.14	1.20	1.24	1.25	1.23	1.37	1.34	1.30	1.29	1.19	1.11	1.06
40 mm · 9,5±1,5 kg/m³ · 100 mm	1.10	0.12	0.23	0.42	0.59	0.63	1.02	1.13	1.28	1.30	1.34	1.26	1.21	1.24	1.24	1.16	1.09	1.03	0.95
40 mm · 9,5±1,5 kg/m³ · 300 mm	1.20	0.20	0.35	0.45	0.64	0.75	0.93	1.05	1.13	1.24	1.33	1.42	1.53	1.47	1.50	1.35	1.33	1.25	1.20
40 mm · 9,5±1,5 kg/m³ · 200 mm	1.15	0.13	0.34	0.43	0.62	0.69	1.00	1.11	1.21	1.27	1.27	1.36	1.39	1.36	1.31	1.37	1.23	1.16	1.09
40 mm · 9,5±1,5 kg/m³ · 100 mm	1.15	0.23	0.29	0.31	0.50	0.70	1.01	1.16	1.35	1.35	1.37	1.32	1.24	1.27	1.29	1.23	1.09	1.00	0.96
20 mm · 9,5±1,5 kg/m³ · 300 / 500mm	0.90	0.35	0.51	0.55	0.55	0.55	0.54	0.67	0.71	0.92	1.12	1.14	1.23	1.19	1.26	1.26	1.16	1.14	1.08
120 mm · 9,5±1,5 kg/m³ · 100mm	1.45	0.59	0.71	1.12	1.35	1.35	1.39	1.40	1.45	1.52	1.49	1.52	1.55	1.46	1.43	1.39	1.32	1.26	1.15
120 mm · 9,5±1,5 kg/m³ · 200mm	1.50	0.65	0.71	1.22	1.36	1.43	1.42	1.50	1.47	1.54	1.48	1.57	1.65	1.56	1.47	1.41	1.38	1.30	1.25
120 mm · 9,5±1,5 kg/m³ · 300mm	1.50	0.68	0.74	1.21	1.36	1.34	1.45	1.50	1.50	1.52	1.55	1.57	1.63	1.52	1.53	1.49	1.47	1.39	1.39

		Value
1.6 in	12 in	NRC1.10
1.6 in	7.9 in	NRC1.10
1.6 in	3.9 in	NRC1.10
1.6 in	12 in	NRC1.20
1.6 in	7.9 in	NRC1.15
1.6 in	3.9 in	NRC1.15
4.7 in	3.9 in	NRC1.45
4.7 in	7.9 in	NRC1.50
4.7 in	12 in	NRC1.50
0.8 in	12 in	NRC0.90
0.8 in	12 in	NRC0.85
0.8 in	7.9 in	NRC0.90
0.8 in	300 / 20 in	NRC0.90
0.8 in	7.9 in	NRC0.85
0.8 in	3.9 in	NRC0.85
0.8 in	3.9 in	NRC0.90

Data source

PTB reference data

pinta acoustic BALANCE willtec melamine foam with non-woven facing

Material properties

Measurement data

Sound absorption

Frequency values

See also

soundSTOMP Basotect G+ Akustikpanel

Breitband-Absorber Premium

Baso Plan