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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 14 of 37
PTB · Metalαw0.50
Hunter Douglas Luxalon 185 U aluminum panel with mineral fiber
PTB · Metalαw1.00
Hunter Douglas Luxalon 195 B perforated aluminum panels with fiber absorber
PTB · Metalαw0.25–0.40
Hunter Douglas Luxalon 195 B, unperforated aluminum panels
PTB · Metalαw0.75
Hunter Douglas Luxalon 225 C perforated aluminum panel
PTB · Metalαw0.75
Hunter Douglas Luxalon 300 A perforated metal panels
PTB · Metalαw0.85
Hunter Douglas Luxalon 300 A perforated metal panels
PTB · Metalαw0.75
Hunter Douglas Luxalon 300 A perforated metal panels
PTB · Metalαw0.95
Luxalon 300 A perforated metal panels, 1.5 mm hole diameter (series 2)
PTB · Metalαw0.80
Hunter Douglas Luxalon 300 A/S perforated metal panels with mineral fiber
PTB · Metalαw1.00
Hunter Douglas Luxalon 300 A/S metal panels, 15% perforation ratio
PTB · Metalαw0.85
Hunter Douglas Luxalon 300 A/S, perforated metal panels
PTB · Metalαw0.75
Hunter Douglas Luxalon 300 C perforated aluminum/steel panels
PTB · Metalαw0.95
Hunter Douglas Luxalon 300 C perforated metal panels
PTB · Metalαw0.75
Hunter Douglas Luxalon 300 C perforated metal panels
PTB · Metalαw0.45
Hunter Douglas Luxalon 30BD perforated aluminum panel
PTB · Metalαw0.65
Hunter Douglas Luxalon 70 U sports hall ceiling
PTB · Metalαw0.65
Hunter Douglas Luxalon 75 C perforated aluminum panels
PTB · Metalαw0.85
Hunter Douglas Luxalon 75 C perforated aluminum panels (series 2)
PTB · Metalαw0.45
Hunter Douglas Luxalon 80 B aluminum panel with mineral wool
PTB · Metalαw0.80
Hunter Douglas Luxalon 80 B fiber absorber on perforated aluminum panel
PTB · Metalαw0.55
Hunter Douglas Luxalon 80 B perforated aluminum panels
PTB · Metalαw0.50
Hunter Douglas Luxalon 84 B aluminum panel with mineral wool
PTB · Metalαw0.55
Hunter Douglas Luxalon 84 B aluminum panel with mineral wool (series 2)
PTB · Metalαw0.45
Hunter Douglas Luxalon 84 B fiber absorber on metal panels
PTB · Metalαw0.75
Hunter Douglas Luxalon 84 B perforated aluminum panels with mineral wool
PTB · Metalαw1.00
Hunter Douglas Luxalon 84 B perforated aluminum panel with mineral wool
PTB · Metalαw0.55
Hunter Douglas Luxalon 84 B perforated aluminum panels
PTB · Metalαw0.75
Hunter Douglas Luxalon 84 B perforated aluminum panels with mineral wool
PTB · Metalαw0.95–1.00
Hunter Douglas Luxalon 84 C aluminum panel with fiber absorber
PTB · Metalαw0.45
Hunter Douglas Luxalon 84 R aluminum panel with mineral wool
PTB · Metalαw0.80
Hunter Douglas Luxalon 84 R fiber absorber on metal panel
PTB · Metalαw0.95
Luxalon 84 R perforated metal fiber absorber, gelocht
PTB · Metalαw0.50–0.70
Hunter Douglas Luxalon 84 R perforated metal fiber absorber, ungelocht
PTB · Metalαw0.55
Hunter Douglas Luxalon 84 R perforated aluminum panels
PTB · Metalαw0.70
Hunter Douglas Luxalon 84 R perforated aluminum panels (series 2)
PTB · Metalαw0.55
Hunter Douglas Luxalon ACCESS-T micro-perforated metal cassette
PTB · Metalαw0.85
Hunter Douglas Luxalon ACCESS-T micro-perforated metal cassette
PTB · Metalαw1.00
Hunter Douglas Luxalon CLIP-IN acoustic ceiling
PTB · Metalαw0.80
Hunter Douglas Luxalon CLIP-IN perforated steel cassette
PTB · Metalαw0.80
Hunter Douglas Luxalon perforated metal cassette with acoustic non-woven
PTB · Metalαw0.95–1.00
Perforated metal ceiling panel backed with fiberglass
PTB · Plaster & sprayαw0.90–1.00
Cellulose-base fiber, white, sprayed on, "carpet" finish
PTB · Plaster & sprayαw0.65–0.70
Cellulose-base fiber, white, sprayed on, textured finish
PTB · Plaster & sprayαw0.50–0.70
ICC Sonaspray K-13 FC cellulose-based acoustic spray plaster
PTB · Plaster & sprayαw0.45
ICC Sonaspray K-13 FC seamless acoustic coating
PTB · Plaster & sprayαw0.50–0.60
ICC Sonaspray K-13, seamless acoustic coating
PTB · Plaster & sprayαw0.45
ICC K13FC/Dura-K cellulose-base fiber, white, sprayed on, textured finish
PTB · Feltαw0.65