Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Produktdatenblatt des Herstellers
Value from the PTB table, not verified
Deutsche Heraklith Herafon plan stone wool ceiling tile
Herafon plan
PTB reference data
Original description
Deutsche Heraklith Herafon plan stone wool ceiling tile
Material properties
Manufacturer: Deutsche Heraklith GmbH
Thickness: 25 mm
Wall distance: 250 mm, 300 mm
Surface: finely structured glass veil facing
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
1.00
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.60 | 0.90 | 0.90 | 1.00 | 1.00 | 1.00 |
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| Compare | Value | |
|---|---|---|
| 250 mm | αw1.00 | |
| 300 mm | αw0.95 |
Weight / density: 100 kg / m³
Dimensions: 600 / 625 / 1200 / 1250 x 600 / 625
Application: Deckenplatte for Abhängekonstruktion in sichtbaren T-Profilen
Measured values as a table (2 measurements)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 25 mm · 100 kg / m³ · 250 mm · Deckenplatte for Abhängekonstruktion in sichtbaren T-Profilen · Vliesbeschichtung (white) | 1.00 | 0.61 | 0.91 | 0.91 | 1.00 | 1.00 | 1.10 |
| 25 mm · 100 kg / m³ · 300 mm · Deckenplatte for Abhängekonstruktion in sichtbaren T-Profilen · Vliesbeschichtung (white) | 0.95 | 0.64 | 0.98 | 0.89 | 0.97 | 1.03 | 1.13 |
Measured values as a table (2 measurements)
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