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Knauf

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METAL Sonic Element — bord de 20 x 20 mm — micro-perforation Rd 1522

Meaning	résultat de test de formaldéhyde le plus bas possible
Nominal	40 mm
Material	acier galvanisé post-laqué
Width mm	600 - 1200
Edge type	20 x 20 mm
Length mm	600 - 1800
Open area	22%
Thickness mm	40
Visible face	face arrière
Weight kg m2	3.9 - 21.9
Colour options	RAL 9010, RAL 9003, RAL 9005, RAL 9006, RAL 9007, RAL 9016, Granit, Acier, Marbre vert, Cuivre, Chêne, Laiton, Grès, Béton, Frêne, Bambou naturel, Bambou caramel, Érable, Merisier d’Amérique, Noyer d’Amérique
Emission class	E1
Light reflection	65%
Perforation code	Rd 1522
Perforation type	micro-perforation
Suspension system	kit de suspension M6
Russian fire class	KM1 (G1, V1, D1, T1)
Durability standard	EN ISO 14021; EN ISO 14025
Humidity resistance	90% RH
Suspension included	false
Suspension length mm	4000
Emission class meaning	résultat de test de formaldéhyde le plus bas possible
Reaction to fire class	A1 — perforé sans complément acoustique; A2-s2,d0 — perforé avec voile acoustique
Perforation diameter mm	1.5
Indoor air quality class	A+
Indoor air quality standard	EN 13964

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Technical specifications