This sheet can be used only to 100 mm, 200 mm or associated with a standard insulator or an acoustic insulator.
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| Perforation | Features |
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Holes : 400 000/m² Hole diameter : ≈ 0,15 mm Perforation rate : ≈ 0,8 % Thickness : ≈ 0,18 mm Reference : A20 + ref. colour |
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Acoperf® installed with 100 mm cavity  |
Acoperf® installed with 100 mm cavity with 80 mm insulation  |
| Sound absorption ratings | 100mm, without insulation |
100mm, 80mm insulation |
| Sound absorption average according to ASTM C423 - 01 | SAA = 0,58 | SAA = 0,95 |
| Noise reduction coefficient according to ASTM C423 -01 | NRC = 0,60 | NRC = 0,98 |
| Weighted sound absorption coefficient according to DIN EN 11654 | αw=0,55 | αw=0,95(L) |
| Sound absorber class according to DIN EN 11654 | D | A |
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