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Knauf

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METAL F-H 600 – Rd 1522 + VLSRX

Nrc	0.6
Class	C
Pitch	45° diagonal
Rw db	6
Shape	round
Border	unperforated
Cac db	15
Colour	black
Alpha w	0.60
Dnfw db	14
Nominal	200 mm
Options	dimensions, shapes, post-coated aluminium, perforations, RAL & NCS colours, BioGuard finish, wood effect finish, acoustic infills, cut-outs, secure function, suitable for chilled ceilings
Material	non-woven acoustic fleece
Cavity mm	200
Weight kg m	5.0 - 6.9
Installation	bonded to tile back
Open area pct	22
Alpha p 125 hz	0.25
Alpha p 250 hz	0.6
Alpha p 500 hz	0.75
Acoustic infill	VLSRX
Alpha p 1000 hz	0.5
Alpha p 2000 hz	0.6
Alpha p 4000 hz	0.6
Perforation code	Rd 1522
Perforation name	Micro Perforation
Available colours	RAL 9016, RAL 9010, RAL 9006, RAL 9007, RAL 9005
Indoor air quality	A+, E1, IAC Gold
Steel gauge max mm	1.25
Humidity resistance	90% RH
Perforation size mm	1.5
Recycled content pct	17.3
Light reflectance pct	66
Recycled content year	2023
Acoustic infill colour	black
Reaction to fire class	A2-s2,d0
Sound absorption class	C
Acoustic infill material	non-woven acoustic fleece
Light reflectance colour	RAL 9010
Reaction to fire standard	EN 13501-1
Acoustic infill installation	bonded to tile back

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Technical specifications