FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Produktblatt des Herstellers
pinta acoustic RONDO – T melamine foam absorber
Absorber RONDO – T
PTB reference data
Original description
pinta acoustic RONDO – T melamine foam absorber
Material properties
Manufacturer: pinta acoustic gmbh
Dimensions: Ø230 mm, Ø150 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 6 variants
αw
0.78
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.65 | 0.90 | 0.90 | 0.90 | 0.90 |
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| Compare | Value | ||
|---|---|---|---|
| Ø230 mm | RMA 400 / 770 | αw0.78 | |
| Ø230 mm | RMA 600 / 770 | αw0.67 | |
| Ø230 mm | RMA 720 / 770 | αw0.61 | |
| Ø150 mm | RMA 400 / 830 | αw0.60 | |
| Ø150 mm | RMA 600 / 830 | αw0.46 | |
| Ø150 mm | RMA 720 / 830 | αw0.42 |
Weight / density: 9,5±1,5 kg/m³
Dimensions: 1200 mm
