Reference surfaceLow-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968, c1-5
Value from the PTB table, not verified
Gypsum board, 12.5 mm, cassette pattern
PTB reference data
Original description
Gypsum board, 12.5 mm, cassette pattern
Material properties
Thickness: 0.5 in
Wall distance: 1.2 in
Dimensions: 625 x 25 in
Surface weight: 11 kg/m²
No measurement data available.