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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 29 of 37
PTB · Gypsumαw0.40–0.50
Rigips slotted panel RS with mineral fiber
PTB · Gypsumαw0.30
Rigips perforated board RL 12-20-35
PTB · Gypsumαw0.65–0.75
Rigips perforated panel RL 12-20/46 with mineral fiber
PTB · Gypsumαw0.70–0.75
Rigips perforated panel RL 12/25 with mineral fiber backing
PTB · Gypsumαw0.70–0.75
Rigips RL 15/30 perforated panel with fiber absorber
PTB · Gypsumαw0.35
Rigips Perforated Panel RL 20-35-50 with mineral fiber
PTB · Gypsumαw0.45–0.50
Rigips perforated panel RL 6/18 with non-woven and mineral fiber
PTB · Gypsumαw0.25–0.30
Rigips RL 6/30 perforated board with mineral fiber
PTB · Gypsumαw0.65–0.70
Rigips perforated panel RL 8/18 with non-woven and mineral fiber
PTB · Gypsumαw0.20–0.30
Rigips RL perforated board, random perforation, mineral fiber
PTB · Plaster & sprayαw0.65
Rigiton perforated panel 12-20/66 with acoustic plaster and mineral wool
PTB · Gypsumαw0.70
Rigiton perforated panel with acoustic non-woven and mineral wool
PTB · Mineral woolαw0.95
Rockfon acoustic panel Dekor Fibral mineral wool
PTB · Mineral woolαw0.60
Rockfon Dekor acoustic panel, pressed mineral fiber
PTB · Mineral woolαw0.50
Rockfon panels Alupal
PTB · Mineral woolαw0.65
Rockfon Cadral smooth, white-painted acoustic tiles
PTB · Mineral woolαw0.80
Rockfon Classic white-painted acoustic tiles
PTB · Stone & concreteαw0.80
Rockfon Diffusorblox unpainted concrete masonry unit
PTB · Mineral woolαw0.70
Rockfon Fibral 1200x300 baffle
PTB · Mineral woolαw0.65
Rockfon Fibral 1200x450 step 600
PTB · Mineral woolαw0.60
Rockfon Fibral panels, thickness 20 mm (series 2)
PTB · Mineral woolαw0.85
Rockfon Fibral white-painted acoustic tiles
PTB · Plastic & filmαw0.85
Black plastic, industrial panels
PTB · Mineral woolαw0.90
White-painted industrial panels
PTB · Mineral woolαw0.90
Rockfon Koral white-painted acoustic tiles
PTB · Mineral woolαw0.45
Rockfon panels 3/10 fixed
PTB · Mineral woolαw0.80
Rockfon panels 3/10 dist. 30 cm
PTB · Mineral woolαw0.75
Rockfon panels 3/11 dist. 30 cm (series 2)
PTB · Mineral woolαw0.95
Rockfon panels Opal-Sort fixed
PTB · Mineral woolαw0.95
Rockfon panels Opal-Sort dist 30 cm
PTB · Mineral woolαw0.80
White-painted acoustic tiles
PTB · Mineral woolαw0.55
Rockfon Piano pressed mineral fiber acoustic panel
PTB · Mineral woolαw0.45
Rockfon panels 3/11 fixed
PTB · Mineral woolαw0.80
White-painted acoustic tiles
PTB · Mineral woolαw0.70
Rockfon Sonar white-painted acoustic tiles
PTB · Mineral woolαw0.95
Rockwool Akustikplatte Dekor Cotal mineral wool
PTB · Mineral woolαw1.00
Rockwool Akustikplatte Dekor Rutex with mineral tissue
PTB · Mineral woolαw1.00
Rockwool blanket, 4 inch thick batt (Full-Thik), over 2 inch air space
PTB · Mineral woolαw0.90
Rockwool blanket, 2 inch thick batt (Semi-Thik), mounted over 1 inch air space
PTB · Mineral woolαw0.80
Rockwool blanket, 2 inch thick batt (Semi-Thik), mounted against solid backing
PTB · Mineral woolαw0.95
Rockwool blanket, 2 inch thick batt (Semi-Thik), mounted over 2 inch air space
PTB · Mineral woolαw0.65
RockWool 50 mm + sheet corrugated to key pattern
PTB · Mineral woolαw0.60
Rockwool blanket, 4 inch thick batt (Full-Thik), covered with 3/16 inch thick perforated cement asbestos board (Transite), 11% open area, mounted against solid backing
PTB · Mineral woolαw0.65
Rockwool blanket, 2 inch thick batt, with 3/16 inch perforated Transite board
PTB · Mineral woolαw0.65
Rockwool blanket, 2 inch thick batt (Semi-Thik), covered with 3/16 inch thick perforated cement asbestos board (Transite), 11% open area, mounted over 2 inch air space (series 2)
PTB · Mineral woolαw0.95
Rockwool blanket, 4 inch thick batt (Full-Thik), mounted over 1 inch air space
PTB · Mineral woolαw0.85
Rockwool blanket, 4 inch thick batt (Full-Thik), mounted against solid backing (series 2)
PTB · Mineral woolαw0.85–1.00