Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 230
Value from the PTB table, not verified
Rigips Rigiphon-Alphaglas fiberboard
Rigiphon-Alphaglas fiberboard
PTB reference data
Original description
Rigips Rigiphon-Alphaglas fiberboard
Material properties
Manufacturer: Rigips GmbH
Thickness: 0.2 in
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.70
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.65 | 0.70 | 0.60 | 0.70 | 0.80 | 0.75 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Value from the PTB table, not verified
NRC: 0.70 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Height 50 mm, Plattendicke 5 mm · ? · Prisma | 0.70 | 0.63 | 0.65 | 0.67 | 0.70 | 0.67 | 0.63 | 0.61 | 0.63 | 0.65 | 0.67 | 0.72 | 0.77 | 0.79 | 0.77 | 0.74 | 0.73 |
Measured values as a table (1 measurement)
Access frequency bands, variants and export. Create a permanent free account
Last updated: