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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 8 of 37
PTB · Mineral woolNRC0.75
Ecophon Master F Beta glass wool panel
PTB · Mineral woolNRC0.30
Ecophon Master F glass wool panel
PTB · Mineral woolNRC0.90–0.95
Ecophon Master F glass wool panel Akutex T
PTB · Mineral woolNRC0.80–0.90
Ecophon Meditec A glass wool panel with Akutex T surface
PTB · Mineral woolNRC0.70
Ecophon RT A gypsum board and glass wool two-layer absorber
PTB · Mineral woolNRC0.75
Ecophon RT D gypsum board-glass wool absorber with Akutex T surface
PTB · Mineral woolNRC0.75
Ecophon RT E gypsum board/glass wool absorber with Akutex T
PTB · Mineral woolNRC0.80–1.00
Ecophon Sombra A glass wool acoustic ceiling tile
PTB · Mineral woolNRC0.85–0.90
Ecophon Sombra D glass wool acoustic ceiling tile
PTB · Mineral woolNRC0.30
Ecophon Sombra D/gamma glass wool acoustic ceiling tile
PTB · Mineral woolNRC0.85–0.90
Ecophon Sombra E glass wool acoustic ceiling tile
PTB · Mineral woolNRC0.90–0.95
Ecophon Super G A glass wool panel, impact-resistant
PTB · Mineral woolNRC0.90–0.95
Ecophon Super G glass wool panel, ball-impact resistant
PTB · Mineral woolNRC0.90–0.95
Ecophon Super G Plus glass wool panel, ball-impact resistant
PTB · Mineral woolNRC0.95
Ecophon Super-G glass wool panel, glass tissue faced
PTB · Mineral woolNRC0.90
Ecophon Wall Panel A Colorado glass wool with textile surface
PTB · Mineral woolNRC0.90
Ecophon Wall Panel A Master/alpha glass wool
PTB · Mineral woolNRC0.90
Ecophon Wandpaneel A Super G glass wool fiber absorber
PTB · Mineral woolNRC0.95
Ecophon Wall Panel C Colorado glass wool fiber absorber
PTB · Mineral woolNRC0.95
Ecophon wall panel C Master/alpha with Akutex T surface
PTB · Mineral woolNRC0.95
Ecophon Wall Panel C Super G glass wool fiber absorber
PTB · Mineral woolNRC0.40
Ecophon X-Bass fiber absorber
PTB · Mineral woolNRC0.90
Egi mineral fiber facade insulation panel EFP
PTB · Mineral woolNRC0.55–0.65
Egi-Dämmplatte EP/V gl mineral fiber absorber
PTB · Reference surfaceNRC0.10
Single glazing
PTB · Reference surfaceNRC0.05
Single pane of glass, 3 mm
PTB · Reference surfaceNRC—
iron door
PTB · MetalNRC1.10–1.15
Perforated steel panel backed with 6 pcf mineral fiber
PTB · MetalNRC1.00
Epic Metals Corp. ESC2SSA perforated steel roof deck with fiberglass
PTB · MetalNRC0.70
Perforated steel roof deck, backed by fiberglass
PTB · MetalNRC0.65
Epic Metals EP150A perforated steel roof deck, backed by fiberglass
PTB · MetalNRC0.80
Perforated steel roof deck, backed by fiberglass
PTB · MetalNRC1.10
Epic Metals EP450A perforated steel roof deck with fiberglass
PTB · MetalNRC0.75
Perforated steel roof deck, backed by fiberglass
PTB · MetalNRC0.95
Epic Metals ER2RA perforated steel roof deck, backed by fiberglass
PTB · MetalNRC0.80
Epic Metals EP750A perforated steel roof deck with fiberglass
PTB · WoodNRC0.15
Eraclit acoustic ceiling
PTB · WoodNRC0.55
Eraclit-Travertine, 30 mm
PTB · WoodNRC0.90
Eracustic suspended, d=30
PTB · WoodNRC0.65–0.80
Ernst Schmelze Eco-Modulator 12/3 acoustic panel
PTB · WoodNRC0.65–0.75
Ernst Schmelze Eco-Modulator 22/3, slotted plywood panel
PTB · WoodNRC0.15
Ernst Schmelze Eco-Modulator unslotted panel absorber
PTB · WoodNRC0.80–0.85
Ernst Schmelze Eco-Phondraht wood fiber absorber, slotted, 40% open area
PTB · WoodNRC0.65–0.80
ESO MODULATOR 12/3 plywood ceiling facing
PTB · WoodNRC0.15
ESO MODULATOR 22/3 plywood ceiling facing with mineral wool
PTB · Plastic & filmNRC0.65
ESO-KVO absorber panel
PTB · WoodNRC0.80–0.85
ESO-Akustik ESO-Phondraht Panel
PTB · MetalNRC0.45–0.85