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Knauf

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METAL T-Clip F – Rd 1522 + VLSRX – RAL 9005

Nrc	0.6
Class	C
Pitch	45° diagonal
Rw db	6
Shape	round
Border	unperforated
Cac db	15
Colour	RAL 9005
Alpha w	0.60
Dnfw db	14
Nominal	Rd 1522
Features	security clip
Material	non-woven acoustic fleece
Cavity mm	200
Edge detail	5 mm bevel clip-in
Installation	bonded to tile back
Thickness mm	0.5
Weight kg m2	3.9 - 4.8
Open area pct	22
Alpha p 125 hz	0.25
Alpha p 250 hz	0.6
Alpha p 500 hz	0.75
Module size mm	600 x 600 mm
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
Indoor air quality	A+, E1, IAC Gold
Steel gauge max mm	1.25
Humidity resistance	90% RH
Perforation size mm	1.5
Acoustic infill code	VLSRX
Recycled content pct	17.3
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
Optional suspension system	U-Profile + Spring T
Standard suspension system	C-Channel + Spring T
Acoustic infill installation	bonded to tile back

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Technical specifications