Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Produktdatenblatt des Herstellers
Value from the PTB table, not verified
Herafon basic stone wool ceiling tile
Herafon basic
PTB reference data
Original description
Herafon basic stone wool ceiling tile
Material properties
Manufacturer: Deutsche Heraklith GmbH
Thickness: 25 mm, 40 mm
Wall distance: 300 mm
Surface: finely structured visible surface made of glass veil
Application: ceiling
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.95
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.55 | 0.85 | 0.90 | 0.95 | 0.95 | 1.00 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
| Compare | Value | |
|---|---|---|
| 40 mm | αw0.95 | |
| 25 mm | αw0.90 |
Weight / density: 70 kg / m³
Dimensions: 625 / 1250 x 625 mm
Application: Deckenplatte for Abhängekonstruktion in sichtbaren T-Profilen
Distance: 300 mm
Measured values as a table (2 measurements)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 25 mm · 70 kg / m³ · 300 mm · Deckenplatte for Abhängekonstruktion in sichtbaren T-Profilen · Platte white or schwarz | 0.90 | 0.45 | 0.80 | 0.85 | 0.90 | 0.95 | 1.00 |
| 40 mm · 70 kg / m³ · 300 mm · Deckenplatte for Abhängekonstruktion in sichtbaren T-Profilen · Platte white or schwarz | 0.95 | 0.55 | 0.85 | 0.90 | 0.95 | 0.95 | 1.00 |
Measured values as a table (2 measurements)
Access frequency bands, variants and export. Create a permanent free account
Last updated:
