Name: Tectum pannello in fibra di legno, trattato ai silicati
Creator: Physikalisch-Technische Bundesanstalt (PTB)
License: https://acousticindex.com/it/termini-di-utilizzo

Valori misurati in tabella (12 misurazioni)

Tectum pannello in fibra di legno, trattato ai silicati: coefficiente di assorbimento acustico αs secondo ISO 354 per frequenza e configurazione di prova
Configurazione	α_w	125 Hz	250 Hz	500 Hz	1000 Hz	2000 Hz	4000 Hz
1 inch · 1.6 lb/ft² · 0	0.35	0.06	0.13	0.24	0.45	0.82	0.64
1 inch · 1.6 lb/ft² · nailed to 20 mm wood furring strips	0.40	0.07	0.15	0.36	0.65	0.71	0.81
1 inch · 1.6 lb/ft² · covered with perforated facing, airspace 20 mm	0.75	0.16	0.43	1.00	1.05	0.79	0.98
1 inch · 1.6 lb/ft² · covered with perforated facing, airspace 40 mm	0.85	0.32	0.70	1.09	0.93	0.76	0.94
1 1/2 inch · 2.5 lb/ft² · 0	0.50	0.07	0.22	0.48	0.82	0.64	0.96
1 1/2 inch · 2.5 lb/ft² · nailed to 20 mm wood furring strips	0.55	0.15	0.26	0.62	0.83	0.70	0.91
1 1/2 inch · 2.5 lb/ft² · covered with perforated facing, airspace 20 mm	0.85	0.24	0.57	1.17	0.87	0.93	0.87
1 1/2 inch · 2.5 lb/ft² · covered with perforated facing, airspace 40 mm	0.95	0.40	0.84	1.18	0.84	0.94	0.88
2 inch · 3.3 lb/ft² · 0	0.55	0.15	0.26	0.62	0.94	0.64	0.92
2 inch · 3.3 lb/ft² · nailed to 20 mm wood furring strips	0.65	0.15	0.36	0.74	0.82	0.82	0.92
2 inch · 3.3 lb/ft² · covered with perforated facing, airspace 20 mm	0.90	0.24	0.67	1.14	0.87	1.06	0.96
2 inch · 3.3 lb/ft² · covered with perforated facing, airspace 40 mm	0.95	0.42	0.89	1.19	0.85	1.08	0.94

Fonte dei dati

Dati di riferimento PTB

Tectum pannello in fibra di legno, trattato ai silicati

Proprietà del materiale

Dati di misura

Assorbimento acustico

Valori di frequenza

			Valore
1 1/2 inch	2.5 lb/ft²	covered with perforated facing, airspace 40 mm	α_w0.95
2 inch	3.3 lb/ft²	covered with perforated facing, airspace 40 mm	α_w0.95
2 inch	3.3 lb/ft²	covered with perforated facing, airspace 20 mm	α_w0.90
1 inch	1.6 lb/ft²	covered with perforated facing, airspace 40 mm	α_w0.85
1 1/2 inch	2.5 lb/ft²	covered with perforated facing, airspace 20 mm	α_w0.85
1 inch	1.6 lb/ft²	covered with perforated facing, airspace 20 mm	α_w0.75
2 inch	3.3 lb/ft²	nailed to 20 mm wood furring strips	α_w0.65
1 1/2 inch	2.5 lb/ft²	nailed to 20 mm wood furring strips	α_w0.55
2 inch	3.3 lb/ft²	0	α_w0.55
1 1/2 inch	2.5 lb/ft²	0	α_w0.50
1 inch	1.6 lb/ft²	nailed to 20 mm wood furring strips	α_w0.40
1 inch	1.6 lb/ft²	0	α_w0.35