MUTE+ frame wall absorber
NRC 0.95
Wall
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Manufacturer
Lindner Group
Lindner Group, Arnstorf: metal ceilings, heating and cooling ceilings, raised floors, wall and ceiling linings and the MUTE+ sound absorber line.
Documents
Description
Wall absorber made of polyester with fabric covering and visible frame. Free of mineral fibres and allergy-friendly, recycled content of up to 20 per cent, 100 per cent recyclable and reusable.
Technical data
Material: Polyester, cover fabric of polyester or wool
Surface: Fabric covering in the visible polyester frame
Fire class (EN 13501-1): B1 · per DIN 4102 by component: absorber and polyester cover fabric B1, wool cover fabric B2
Certifications: Oeko-Tex Standard 100 (S24-3191, Hohenstein HTTI), Indoor Air Comfort GOLD, emission class A+ (VOC, France)
Colours: Frame in 5 colours, cover fabrics of polyester or wool, 30 colours in the stock range
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 4 variants
NRC
0.95
Frequency values
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| Compare | Value | |
|---|---|---|
| plane absorber | NRC0.95 | |
| absorber 79 x 39 in | Sabins/unit28 | |
| absorber 59 x 39 in | Sabins/unit23 | |
| absorber 39 x 39 in | Sabins/unit16 |
Test report: H220914M1/9a_rev00
NRC: 0.95 (derived from ISO 354 lab data)
Object area: 113 sq ft
Test setup: plane absorber
Measured values as a table (4 measurements)
| Build-up | NRC | 100 Hz | 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 | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.6 in · 1.9 in · absorber 79 x 39 in (sabins/unit) | – | 2.2 | 4.3 | 7.5 | 12 | 15 | 22 | 27 | 30 | 29 | 28 | 28 | 26 | 26 | 24 | 24 | 22 | 23 | 23 |
| 1.6 in · 1.9 in · absorber 39 x 39 in (sabins/unit) | – | 1.1 | 1.1 | 4.3 | 6.5 | 7.5 | 11 | 14 | 15 | 16 | 16 | 16 | 15 | 14 | 13 | 14 | 13 | 13 | 12 |
| 1.6 in · 1.9 in · absorber 59 x 39 in (sabins/unit) | – | 1.1 | 2.2 | 5.4 | 8.6 | 11 | 15 | 19 | 22 | 23 | 23 | 23 | 20 | 20 | 19 | 18 | 17 | 17 | 17 |
| 1.6 in · plane absorber | 0.95 | 0.08 | 0.12 | 0.28 | 0.49 | 0.65 | 0.84 | 1.00 | 1.06 | 1.07 | 1.07 | 1.07 | 1.02 | 1.00 | 0.95 | 0.94 | 0.91 | 0.85 | 0.90 |
Measured values as a table (4 measurements)
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