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
MUTE+ skin ceiling raft
Description
Ceiling raft made of polyester with covering, frameless. Free of mineral fibres and allergy-friendly, recycled content of up to 20 per cent, 100 per cent recyclable and reusable. The tex900-949 fabric group consists of 75 per cent recycled polyester.
Technical data
Material: Polyester, cover fabric of polyester
Surface: Fabric drawn over the edge without a frame
Up to fire class: B1 — per DIN 4102
Certifications: Oeko-Tex Standard 100 (S24-3191, Hohenstein HTTI), Indoor Air Comfort GOLD, emission class A+ (VOC, France)
Colours: Signal white, signal grey, silver grey, carmine red, ultramarine blue, light ivory, white green, pearl green, quartz grey, graphite grey
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 6 variants
Aobj
2.90 m²
at 1 kHz
Frequency values
Aobj per ISO 354 · third-octave band (m²)
| f (Hz) | 100 | 125 | 160 | 200 | 250 | 315 |
|---|---|---|---|---|---|---|
| Aobj | 0.30 | 0.50 | 1.20 | 1.70 | 2.00 | 2.30 |
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| Compare | Value |
|---|---|
| Aobj2.90m² | |
| Aobj2.30m² | |
| Aobj2.00m² | |
| Aobj1.70m² | |
| Aobj1.30m² | |
| Aobj0.80m² |
Test report: H220914M1/3b_rev00
Distance: 9.4 in
Measured values as a table (6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40 mm · 240 mm · ceiling raft 1000 x 1000 mm (Aobj, m²) | – | 0.10 | 0.20 | 0.60 | 0.90 | 1.00 | 1.20 | 1.40 | 1.50 | 1.50 | 1.50 | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 |
| 40 mm · 240 mm · ceiling raft 1500 x 1000 mm (Aobj, m²) | – | 0.20 | 0.30 | 0.80 | 1.30 | 1.50 | 1.80 | 2.10 | 2.20 | 2.10 | 2.10 | 2.30 | 2.40 | 2.40 | 2.50 | 2.40 | 2.40 | 2.50 | 2.40 |
| 40 mm · 240 mm · ceiling raft 2000 x 1000 mm (Aobj, m²) | – | 0.30 | 0.50 | 1.20 | 1.70 | 2.00 | 2.30 | 2.50 | 2.70 | 2.80 | 2.70 | 2.90 | 3.00 | 3.00 | 3.10 | 3.10 | 3.00 | 3.20 | 3.20 |
| 40 mm · 240 mm · ceiling raft ø 750 mm (Aobj, m²) | – | 0.00 | 0.00 | 0.20 | 0.40 | 0.50 | 0.60 | 0.70 | 0.70 | 0.80 | 0.80 | 0.80 | 0.90 | 0.80 | 0.90 | 0.90 | 0.90 | 0.80 | 0.80 |
| 40 mm · 240 mm · ceiling raft ø 1000 mm (Aobj, m²) | – | 0.10 | 0.10 | 0.40 | 0.70 | 0.80 | 1.00 | 1.20 | 1.20 | 1.20 | 1.20 | 1.30 | 1.40 | 1.30 | 1.40 | 1.40 | 1.40 | 1.40 | 1.30 |
| 40 mm · 240 mm · ceiling raft ø 1250 mm (Aobj, m²) | – | 0.20 | 0.30 | 0.70 | 1.10 | 1.30 | 1.50 | 1.80 | 1.80 | 1.90 | 1.80 | 2.00 | 2.00 | 1.90 | 2.10 | 2.00 | 2.00 | 2.00 | 2.00 |
Measured values as a table (6 measurements)
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