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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 27 of 37
PTB · Plastic & filmαw0.10
PVC plastic film, stretched smooth, spacing 100 mm
PTB · Plastic & filmαw0.15
PVC plastic film, stretched smooth, 0.2 mm, 20 mm air cavity, spacing 20 mm
PTB · Foamαw0.45–0.55
Quash D 2600 30 closed-cell acoustic foam
PTB · Reference surfaceαw0.10
Rabitz ceiling
PTB · Mineral woolαw0.85
RAS Raumakustik SAG-MA 1 broadband absorber
PTB · Plastic & filmαw0.25
RAS Raumakustik SAG-TA 1 foil absorber
PTB · Reference surfaceαw—
Rough concrete
PTB · Reference surfaceαw0.05
Rough limewash
PTB · Reference surfaceαw0.05
Rough sandstone floor
PTB · Reference surfaceαw0.05
reflector
PTB · Reference surfaceαw0.05
Ripe limewash (T.R.)
PTB · Mineral woolαw1.00
Renz BKA Type 1 broadband compact absorber
PTB · Mineral woolαw1.00
renz HLA – Type 2 high-performance compact absorber
PTB · Mineral woolαw1.00
renz HLA Type 1 high-performance compact absorber
PTB · Mineral woolαw0.25–0.30
renz VPR Type 1 compound panel resonator
PTB · Reference surfaceαw0.10
Revac rubberBM 0070 (MATIS)
PTB · Mineral woolαw0.65–0.95
Rheinhold & Mahla Basalan high-temperature insulation board BPO-HT 120
PTB · Mineral woolαw0.70–1.00
Rheinhold & Mahla Basalan mineral fiber insulation board
PTB · Metalαw0.50
Richter System 16 aluminum panel ceiling with felt
PTB · Metalαw0.30
Richter System 16 fiber absorber on aluminum panel ceiling
PTB · Mineral woolαw0.50
Rigiphon Alphalite volcanic stone ceiling tile
PTB · Gypsumαw0.15
Rigips Casoprano Casoforte acoustic gypsum board
PTB · Gypsumαw0.15
Rigips Casoprano Casoroc acoustic gypsum board
PTB · Gypsumαw0.45
Rigips Dekor textured white-painted acoustic tiles
PTB · Gypsumαw0.05
Rigips Gyptone Base / RGK Base gypsum board, unperforated
PTB · Gypsumαw0.05
Rigips Gyptone Base gypsum board
PTB · Gypsumαw0.55–0.70
Rigips Gyptone Line4 slotted gypsum cassette
PTB · Gypsumαw0.65
Rigips Gyptone Line4 slotted gypsum cassette with acoustic non-woven
PTB · Gypsumαw0.65
Rigips Gyptone Point 11 gypsum tile with mineral wool
PTB · Gypsumαw0.50–0.65
Rigips Gyptone Point 11 gypsum tile, round-hole perforation
PTB · Gypsumαw0.35–0.40
Rigips Gyptone Point 12 perforated gypsum board
PTB · Gypsumαw0.40–0.45
Rigips Gyptone Point 13, round-perforated gypsum board
PTB · Gypsumαw0.45
Rigips Gyptone Point 14 perforated gypsum cassette
PTB · Gypsumαw0.40
Rigips Gyptone Point 14 round-perforated gypsum cassette
PTB · Gypsumαw0.55–0.75
Rigips Gyptone Quattro 20 gypsum ceiling tile
PTB · Gypsumαw0.50
Rigips Gyptone Quattro 21, square-hole perforated gypsum board
PTB · Gypsumαw0.35–0.45
Rigips Gyptone Quattro 22 square-hole perforated gypsum board
PTB · Gypsumαw0.55–0.75
Rigips Gyptone Quattro 50 perforated gypsum tile
PTB · Gypsumαw0.35–0.45
Rigips Gyptone Quattro 52, square-hole perforation
PTB · Gypsumαw0.75–0.85
Rigips Gyptone Sixto 60 gypsum board
PTB · Gypsumαw0.65–0.70
Rigips perforated drywall RL 10/23
PTB · Gypsumαw0.55–0.60
Rigips perforated panel RL 8-12/36 with mineral fiber
PTB · Gypsumαw0.30–0.35
Rigips perforated panel RL 8-15-20 with mineral fiber
PTB · Gypsumαw0.70
Rigips RGK Line1 slotted gypsum cassette with mineral wool
PTB · Gypsumαw0.60–0.65
Rigips RGK Line1 slotted gypsum ceiling tile
PTB · Mineral woolαw0.60
Rigips Rigiphon Alphaglas fiberboard
PTB · Mineral woolαw0.55
Rigips Rigiphon Alphaglas fiberboard, pyramid shape
PTB · Mineral woolαw0.10