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PU acoustic foam generally used in industrial applications inside housings and enclosures. Can be face laminated or OEM cut parts.
Standard polyurethane acoustic foam controls airborne noise by reducing the reflection from boundary surfaces, therefore reducing the overall noise level.
This foam is available in thicknesses of 12mm, 25mm and 50mm as standard with an optional self adhesive backing. Also available with self adhesive (SA) backing.
Also available in other custom thicknesses subject to 10 sheet minimum order P.O.A.
| Technical Data | |
| Colour | Light grey |
| Size | up to 2m x 1.2m |
| Thickness | 12mm – 100mm |
| Density | 27-30 kg/m3 |
| Tensile strength | 100 kN/m2 |
| Flammability | |
| FMVSS302 | Self-extinguishing |
| BS 4735 (1971) | Self-extinguishing |
| ASTM D1692 | Self-extinguishing |
| Absorption Coefficients | ||||||||
| Material/Hz | 125 | 250 | 500 | 1k | 2k | 4k | αw | Class |
| 12mm | 0.05 | 0.10 | 0.20 | 0.35 | 0.45 | 0.65 | 0.30 | D |
| 25mm | 0.10 | 0.25 | 0.45 | 0.70 | 0.85 | 0.90 | 0.45 | D |
| 50mm | 0.20 | 0.45 | 0.80 | 0.95 | 0.90 | 1.00 | 0.70 | C |
We have also developed and tested some additional facing materials which can ‘tune’ or just add increased broadband absorption as shown below. These can be ideal for internal machine enclosures when space is limited but maximum absorption is needed especially at particular frequencies.
Please Note: This foam will fade and yellow, over time, with prolonged exposure to daylight. It is best used inside enclosures.
