GypsumHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 212
Maibach M 200 TS fiber absorber in gypsum board cassette
Maibach – M 200 TS
PTB reference data
Original description
Maibach M 200 TS fiber absorber in gypsum board cassette
Material properties
Manufacturer: Maibach Industrie Plastic Gesellschaft
Thickness: 142 mm
Perforation: 40%
Backing: 25 mm mineral fiber panel
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.79
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.75 | 0.85 | 0.90 | 0.90 | 0.90 |
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Method (354): Measured