Name: FURAL Acoustic Baffle
Brand: Fural Systeme in Metall GmbH

Acoustic Index

FURAL Acoustic Baffle – Fural Systeme in Metall GmbH | Acoustic Index

Sound absorption

ISO 354 – reverberation chamber· 74 variants

Perforation

Size

Gap / cavity

Surface

αw

0.90

Frequency values

αp per ISO 11654

125 Hz

0.65

250 Hz

0.85

500 Hz

0.85

1000 Hz

0.85

2000 Hz

0.95

4000 Hz

0.90

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Perforation	Size	Gap / cavity	Test setup	Surface	Value
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	—	fleece	αw0.90
Rd 1,5-22%	600 mm baffle height	150 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.85
Rd 1,5-22%	600 mm baffle height	150 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.85
Rd 1,5-22%	300 mm baffle height	150 mm axis spacing	40 mm mineral wool 45 kg/m³	fleece	αw0.80
None (closed)	40 mm baffle height	50 mm axis spacing	—	without	αw0.80
Rd 1,5-22%	220 mm baffle height	150 mm axis spacing	40 mm mineral wool 45 kg/m³	fleece	αw0.75
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	—	fleece	αw0.75
None (closed)	40 mm baffle height	50 mm axis spacing	—	without	αw0.75
None (closed)	40 mm baffle height	50 mm axis spacing	—	without	αw0.75
None (closed)	40 mm baffle height	50 mm axis spacing	—	without	αw0.75
Rd 1,5-22%	300 mm baffle height	150 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.70
Rd 1,5-22%	600 mm baffle height	300 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.70
Rd 1,5-22%	600 mm baffle height	300 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.70
Rd 1,5-22%	150 mm baffle height	150 mm axis spacing	40 mm mineral wool 45 kg/m³	fleece	αw0.70
Rd 1,5-22%	150 mm baffle height	150 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.65
Rd 1,5-22%	300 mm baffle height	150 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.65
Rd 1,5-22%	220 mm baffle height	150 mm axis spacing	40 mm mineral wool 45 kg/m³	fleece	αw0.65
Rd 1,5-22%	220 mm baffle height	150 mm axis spacing	40 mm mineral wool 45 kg/m³	fleece	αw0.65
Rd 1,5-22%	300 mm baffle height	300 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.60
Rd 1,5-22%	600 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.60
Rd 1,5-22%	600 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.60
Rd 0,9-14%	150 mm baffle height	150 mm axis spacing	2x20 mm mineral wool 35 kg/m³ fleece-laminated on one side	without	αw0.60
Rd 1,5-22%	150 mm baffle height	150 mm axis spacing	2x20 mm mineral wool 35 kg/m³ fleece-laminated on one side	without	αw0.60
Rd 1,5-22%	150 mm baffle height	150 mm axis spacing	2x20 mm mineral wool 35 kg/m³ fleece-laminated on one side	without	αw0.60
Rg 0,9-7%	150 mm baffle height	150 mm axis spacing	2x20 mm mineral wool 35 kg/m³ fleece-laminated on one side	without	αw0.60
Rg 1,5-11%	150 mm baffle height	150 mm axis spacing	2x20 mm mineral wool 35 kg/m³ fleece-laminated on one side	without	αw0.60
Rd 1,5-11%	150 mm baffle height	150 mm axis spacing	2x20 mm mineral wool 35 kg/m³ fleece-laminated on one side	without	αw0.60
Rd 1,5-22%	220 mm baffle height	150 mm axis spacing	40 mm mineral wool 45 kg/m³	fleece	αw0.60
Rd 1,5-22%	220 mm baffle height	150 mm axis spacing	50 mm mineral wool 45 kg/m³	fleece	αw0.60
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm Melaminharzschaum, 9 kg/m³	fleece	αw0.60
Rd 1,5-22%	150 mm baffle height	300 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.55
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.55
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.55
Rg 2,5-16%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.55
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	50 mm mineral wool 50 kg/m³	fleece	αw0.55
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.55
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.55
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³ in PE film	fleece	αw0.55
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm Melaminharzschaum, 9 kg/m³	without	αw0.55
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 12-25 kg/m² in PE film SDE A2	fleece	αw0.55
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 12-25 kg/m² in PE film SDE A2	without	αw0.55
Rd 1,5-22%	150 mm baffle height	150 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.50
Rd 1,5-22%	300 mm baffle height	300 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.50
Rg 0,7-4%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.50
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm sheep wool 28 kg/m³	fleece	αw0.50
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.50
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.50
Rd 1,5-22%	220 mm baffle height	300 mm axis spacing	40 mm mineral wool 45 kg/m³	fleece	αw0.50
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.50
Rd 1,5-22%	50 mm baffle height	100 mm axis spacing	40 mm mineral wool 45 kg/m³	fleece	αw0.50
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	30 mm mineral wool 100 kg/m³ in PE film	fleece	αw0.50
Rd 1,5-22%	200 mm baffle height	150 mm axis spacing	80x40 mm mineral wool 45 kg/m³ in PE film	without	αw0.50
Rd 1,5-22%	150 mm baffle height	150 mm axis spacing	40x40 mm mineral wool 45 kg/m³ in PE film at baffle with ALP andere Baffeln with 150x40 mm mineral wool 45 kg/m³ in PE film	without	αw0.50
Rd 1,5-22%	150 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.45
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.45
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	50 mm mineral wool 45 kg/m³	fleece	αw0.45
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	50 mm mineral wool 50 kg/m³	fleece	αw0.45
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	50 mm mineral wool 50 kg/m³	fleece	αw0.45
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.45
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.45
Rd 1,5-22%	150 mm baffle height	150 mm axis spacing	—	fleece	αw0.45
Rd 1,5-22%	150 mm baffle height	150 mm axis spacing	80x40 mm mineral wool 45 kg/m³ in PE film	without	αw0.45
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	150x40 mm mineral wool 45 kg/m³ in PE film	without	αw0.45
Rd 1,5-22%	150 mm baffle height	300 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.40
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	2x20 mm mineral wool 35 kg/m³ fleece-laminated on one side	without	αw0.40
Rd 1,5-22%	150 mm baffle height	600 mm axis spacing	2x20 mm mineral wool 35 kg/m³ fleece-laminated on one side	without	αw0.40
Rd 1,5-22%	150 mm baffle height	600 mm axis spacing	40 mm PE-polyester wool 20 kg/m³	without	αw0.40
Rd 1,5-22%	150 mm baffle height	600 mm axis spacing	2x20 mm PE-polyester wool 20 kg/m³	without	αw0.40
Rd 1,5-22%	220 mm baffle height	600 mm axis spacing	50 mm mineral wool 45 kg/m³	fleece	αw0.40
Rd 1,5-22%	50 mm baffle height	150 mm axis spacing	40 mm mineral wool 45 kg/m³	fleece	αw0.40
Rd 1,5-22%	200 mm baffle height	150 mm axis spacing	40x40 mm mineral wool 45 kg/m³ in PE film über der oberen RR	without	αw0.40
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	without	fleece	αw0.35
Rd 1,5-22%	300 mm baffle height	600 mm axis spacing	without	fleece	αw0.35
Rd 1,5-22%	150 mm baffle height	600 mm axis spacing	40 mm mineral wool 50 kg/m³	fleece	αw0.30

Absorber class: A

Test report: B105629_113_PBE_1D

NRC: 0.90

Institute: MFPA Leipzig

Dimensions: 40 mm thickness

Manufacturer

Fural Systeme in Metall GmbH

FURAL Acoustic Baffle

Description

Technical data

Measurement data

Sound absorption

Frequency values