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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 20 of 37
PTB · Woodαw0.75
MAkustik MA02 acoustic panel with stepped perforation
PTB · Woodαw0.95
MAkustik MA02 acoustic panel with stepped perforation (series 2)
PTB · Woodαw0.95
MAkustik MA02 acoustic panel with stepped perforation (series 3)
PTB · Woodαw0.30
MAkustik MA02 Acoustic Panel with stepped perforation (series 4)
PTB · Woodαw0.35
MAkustik MA02 acoustic panel, 3/10 mm stepped perforation, 3% open area (series 5)
PTB · Woodαw0.35
MAkustik MA02 acoustic panel, stepped perforation, with mineral wool
PTB · Woodαw0.70
MAkustik MA03 acoustic panel Type 13/3 slotted
PTB · Woodαw0.75
MAkustik MA03 slotted acoustic panel Type 13/3
PTB · Woodαw0.70
MAkustik MA04 acoustic panel with slots and mineral wool
PTB · Woodαw0.95
MAkustik MA04 acoustic panel Type 5/3, slotted, with mineral wool
PTB · Woodαw0.70
MAkustik MA04 grooved acoustic panel with mineral wool, spacing 0 mm
PTB · Woodαw0.80
MAkustik MA04 acoustic panel, grooved, with mineral wool, spacing 170 mm
PTB · Woodαw0.85
MAkustik MA04 grooved acoustic panel with mineral wool, spacing 320 mm
PTB · Woodαw0.75
MAkustik MA04 continuously slotted acoustic panel, 1.5 mm slots
PTB · Woodαw0.55
MAkustik MA04 continuously grooved acoustic panel, 14/2 pattern (series 2)
PTB · Woodαw0.60
MAkustik MA04 slotted acoustic panel with mineral wool
PTB · Woodαw0.55
MAkustik MA04 slotted wood acoustic panel
PTB · Woodαw0.80
MAkustik MA04 slotted wood acoustic panel with mineral wool, spacing 0 mm
PTB · Woodαw0.90
MAkustik MA04 slotted wood acoustic panel with mineral wool, spacing 320 mm
PTB · Woodαw0.90
MAkustik MA07 acoustic panel, square perforated
PTB · Woodαw0.90
MAkustik MA07 square-hole perforated acoustic panel
PTB · Woodαw0.75
MAkustik MA07 square-hole perforated acoustic panel with mineral wool
PTB · Woodαw0.55
MAkustik MA10 sandwich panel with mineral wool
PTB · Woodαw0.40
MAkustik MA10 sandwich panel with mineral wool and frame
PTB · Woodαw0.55
MAkustik MA10 sandwich panel with frame
PTB · Woodαw0.50
MAkustik MA10 sandwich panel with frame Type 1.3/5, 5% perforation
PTB · Woodαw0.50
MAkustik MA10 sandwich panel with frame and mineral wool
PTB · Woodαw0.75
MAkustik MA10 honeycomb core sandwich panel Type 2/6
PTB · Woodαw0.70
MAkustik MA10 honeycomb sandwich panel, spacing 0 mm
PTB · Woodαw0.80
MAkustik MA10 honeycomb sandwich panel, 2/6, 7% open area, spacing 320 mm
PTB · Woodαw0.45
MAkustik MA10 sandwich panel Type 1.3/5 with mineral wool, spacing 0 mm
PTB · Woodαw0.60
MAkustik MA10 sandwich panel Type 1.3/5 with mineral wool, spacing 350 mm
PTB · Glass & transparentαw0.80
Makustik MA15 Translucent Acoustic Element Type 2/6
PTB · Glass & transparentαw0.80
MAkustik MA15 translucent acoustic element Type 2/6
PTB · Glass & transparentαw0.75
MAkustik MA15 Translucent Acoustic Element Type 2/6 (series 2)
PTB · Glass & transparentαw0.75
MAkustik MA15 translucent acoustic element Type 2/6 (series 3)
PTB · Glass & transparentαw0.35
MAkustik MA15 translucent acoustic element, 2 mm hole, 7% open area, spacing 0 mm
PTB · Glass & transparentαw0.80
MAkustik MA15 translucent acoustic element, 2 mm hole diameter, 7% open area, spacing 120 mm
PTB · Glass & transparentαw0.75
MAkustik MA15 translucent acoustic element, spacing 380 mm
PTB · Woodαw0.40
MAkustik MA20 veneered acoustic panel Type 1/3, 1 mm hole, 9% open area, spacing 0 mm
PTB · Woodαw0.60
MAkustik MA20 veneered acoustic panel Type 1/3, 1 mm hole dia., 9% open area, spacing 30 mm
PTB · Woodαw0.55
MAkustik MA20 veneered acoustic panel Type 1/3, spacing 380 mm
PTB · Woodαw0.55
MAkustik MA20 veneered acoustic panel, tubular chipboard
PTB · Woodαw0.55
MAkustik MA20 veneered tubular chipboard acoustic panel
PTB · Woodαw0.60
MAkustik MA20 veneered tubular chipboard acoustic panel Type 1/3
PTB · Woodαw0.60
MAkustik MA20 veneered tubular chipboard acoustic panel, 1 mm hole diameter
PTB · Woodαw0.60
MAkustik Type 13/3 MA04 slotted acoustic panel
PTB · Woodαw0.60