Name: Tectum panneau de fibres de bois, traité au silicate
Creator: Physikalisch-Technische Bundesanstalt (PTB)
License: https://acousticindex.com/fr/conditions-utilisation

Valeurs mesurées en tableau (12 mesures)

Tectum panneau de fibres de bois, traité au silicate : coefficient d’absorption acoustique αs selon ISO 354 par fréquence et configuration d’essai
Composition	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

Source des données

Données de référence PTB

Tectum panneau de fibres de bois, traité au silicate

Propriétés du matériau

Données de mesure

Absorption acoustique

Valeurs par fréquence

			Valeur
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