MUTE+ board wall absorber

NRC 0.85

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.

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Description

Polyester absorber mounted on the wall, rectangular, round or as a free form. Free of mineral fibres and allergy-friendly, recycled content of up to 20 percent, 100 percent recyclable and reusable.

Technical data

Material: Polyester
Surface: Gloss level 1 to 5 GU per colour
Fire class (EN 13501-1): B1 · per DIN 4102
Certifications: Oeko-Tex Standard 100 (S24-3191, Hohenstein HTTI), Indoor Air Comfort GOLD, emission class A+ (VOC, France)
Colours: white, grey marbled, darkgrey marbled, nightgrey marbled, black, further polyester colours on request

Measurement data

Sound absorption

Reverberation chamber (ASTM C423 / ISO 354)· 4 variants

NRC
0.85

Frequency values

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CompareValue
plane absorberNRC0.85
absorber 79 x 39 inSabins/unit30
absorber 59 x 39 inSabins/unit24
absorber 39 x 39 inSabins/unit17

Test report: H220713J1/1a_rev00

NRC: 0.85 (derived from ISO 354 lab data)

Object area: 113 sq ft

Test setup: plane absorber

Terms of use
Measured values as a table (4 measurements)
MUTE+ board wall absorber: sound absorption coefficient αs per ISO 354 by frequency and test build-up
Build-upNRC100 Hz125 Hz160 Hz200 Hz250 Hz315 Hz400 Hz500 Hz630 Hz800 Hz1000 Hz1250 Hz1600 Hz2000 Hz2500 Hz3150 Hz4000 Hz5000 Hz
1.6 in · plane absorber0.850.060.110.230.380.500.640.760.860.941.031.041.061.091.091.091.041.041.07
1.6 in · 1.9 in · absorber 79 x 39 in (sabins/unit)–2.22.25.48.61215202428293029292928262727
1.6 in · 1.9 in · absorber 39 x 39 in (sabins/unit)–1.11.13.25.46.58.6121416161716171515141514
1.6 in · 1.9 in · absorber 59 x 39 in (sabins/unit)–1.11.14.36.58.611161922232423232322202019
Measured values as a table (4 measurements)

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