ARCHI felt ecoPET Acoustic Felt Panel
flexxica ARCHI felt ecoPET
NRC 0.85
Manufacturer
flexxica
flexxica, based in Warsaw (PL Sp. z o.o.), designs and manufactures acoustic lighting and acoustic products for offices and public interiors. The company has more than 15 years of experience and supplies over 50 countries. The range combines professional LED lighting with sound-absorbing shades and panels: pendant and floor lights of ecoPET felt made from recycled PET bottles, of merino wool felt or with upholstered fabric shades, plus acoustic ceiling elements, wall tiles and room dividers. Several luminaires were created with external designers such as Kabo & Pydo and Anna Spakowska.
Documents
Description
ARCHI felt ecoPET is flexxica's acoustic felt panel of polyester fibres with a slightly textile, washable surface. flexxica uses it for its ecoPET luminaires, wall tiles, ceiling elements and room dividers.
Technical data
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
Frequency values
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| Thickness | Gap / | Value |
|---|---|---|
| 0.47 in | 7.9 in ceiling distance | NRC0.85 |
Test report: CZIN2603000161CM01_EN
NRC: 0.85 (derived from ISO 354 lab data)
Institute: SGS-CSTC Standards Technical Services (Changzhou) Co., Ltd. (CN)
Measurement date: 03/05/2026
Room volume: 9,182 cu ft
Object area: 116 sq ft
Measured values as a table (1 measurement)
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.47 in · 7.9 in ceiling distance | 0.85 | 0.22 | 0.41 | 0.46 | 0.67 | 0.75 | 0.87 | 0.91 | 0.94 | 0.93 | 0.79 | 0.73 | 0.88 | 0.94 | 0.90 | 0.96 | 0.97 | 1.00 | 0.99 |
Measured values as a table (1 measurement)
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