GypsumLow-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968, c1-6
Gypsum board, coffered, with mineral fiber backing
PTB reference data
Original description
Gypsum board, coffered, with mineral fiber backing
Material properties
Thickness: 12.5 mm
Wall distance: 30 mm
Dimensions: 625 × 625 mm
Surface weight: 11 kg/m²
Backing: 20 mm mineral fiber panel
Flow resistance: 33.2 Rayl/cm
No measurement data available.