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PTB – Physikalisch-Technische Bundesanstalt
Reference data from the PTB database for sound absorption coefficients. These data provide a planning baseline and come from standardised measurements.
1,746 products
Page 15 of 37
PTB · Feltαw0.45–0.65
Idikell fiber absorber Type B 201
PTB · Foamαw0.60
Idikell sound insulation mat M 3815/33 PU foam
PTB · Foamαw0.45
Idikell M 3815/22 PU foam absorber, oil- and water-resistant
PTB · Foamαw0.15–0.40
Idikell M Series 8000 flexible PUR foam panel
PTB · Feltαw0.80
IdiKell panels B208 - d=100 mm + 40 L.M.
PTB · Foamαw0.30
Idikell PU convoluted foam absorber mat M 8041/30
PTB · Feltαw0.15–0.40
Idikell Series 6000 textile fiber absorber mats
PTB · Foamαw0.65
illbruck absorber ECO melamine foam element, free-hanging
PTB · Foamαw0.55–0.75
illbruck Absorber Plano T melamine foam element
PTB · Foamαw0.65–0.75
illbruck Absorber Wetroom melamine foam element
PTB · Foamαw0.65–0.70
illbruck ACOUSTIC PANEL melamine foam system
PTB · Foamαw0.55–0.65
illbruck baffel rondo melamine foam cylinder
PTB · Foamαw0.65–1.00
illbruck batts melamine foam panel, non-woven faced on both sides
PTB · Foamαw0.65–0.95
illbruck illsonic S 35 SV polyurethane foam, profiled
PTB · Foamαw0.60–0.85
illsonic waffel soft foam sound absorber with waffle structure
PTB · Foamαw0.40
illbruck illsonic waterproof PE foam resonator panel
PTB · Foamαw0.65
illbruck illsonic waterproof PE foam waffle structure
PTB · Foamαw0.55–0.70
illbruck FM C1 cassette inlay, melamine foam, A2
PTB · Metalαw0.40–0.80
illbruck QUADROLINE expanded metal ceiling system with illtec FM inlay
PTB · Gypsumαw0.50–0.55
illbruck Rigiton perforated panel with acoustic non-woven
PTB · Metalαw0.40
illbruck SQUARELINE expanded metal cassette with illtec FM insert
PTB · Foamαw0.95
illbruck Waffel Dämm PUR foam panel
PTB · Foamαw0.85
illbruck waffel dämm soft foam panel B1
PTB · Foamαw0.50–0.65
illbruck WHITELINE ceiling system made of melamine foam
PTB · Foamαw0.60–0.80
illsilent flexible polyurethane foam, pyramid profile
PTB · Foamαw0.65–0.80
illsonic pyramide flexible PU foam panel with pyramid structure
PTB · Foamαw0.80
Imi-Tech Solimide Ac-403 polyimide foam
PTB · Mineral woolαw0.90
Hanging panels, 2.70 pcf fiberglass in polyethylene casing
PTB · Mineral woolαw0.80
Hanging panels, 1.55 pcf fiberglass in polyethylene casing 0.002 inch thick
PTB · Mineral woolαw0.65
Hanging panels, 2.70 pcf fiberglass in polyethylene casing 0.003 inch thick
PTB · Foamαw0.45
Industrial Noise Control K-10M aluminized mylar-faced polyether foam
PTB · Reference surfaceαw0.10
Interior walls
PTB · Otherαw0.80
IperStark (MATIS)
PTB · Reference surfaceαw—
Isoflex rubber 7.6 kg/m² (MATIS)
PTB · Mineral woolαw0.95
Isola mineral fiber sound-absorbing panel
PTB · Woodαw0.30
Isolith Akustikplatte F cement-bonded wood wool, thickness 25 mm
PTB · Woodαw0.35
Isolith Akustikplatte F cement-bonded wood wool panel, thickness 35 mm
PTB · Woodαw0.60
Isolith acoustic panel F, cement-bonded wood wool
PTB · Woodαw0.30
Isolith Akustikplatte G cement-bonded wood wool
PTB · Woodαw1.00
Isolith BAB® sound absorber panel per ÖNORM B 6021, thickness 50 mm
PTB · Woodαw0.80–1.00
Isolith BAB® sound absorber panel per ÖNORM B 6021, thickness 50/75/100 mm
PTB · Woodαw0.90
Isolith BABf three-layer sound absorber panel
PTB · Woodαw0.80
Isolith BABf sound absorber panel
PTB · Woodαw1.00
Isolith BABf sound absorber panel, wood wool cement with mineral wool core
PTB · Woodαw0.35
Isolith wood wool acoustic panel G
PTB · Woodαw0.60
Isolith cement-bonded wood wool acoustic panel G
PTB · Mineral woolαw0.50–0.85
Isover Akustic SSP2 glass wool sound absorber panel
PTB · Gypsumαw0.60–0.70