Duct lagging is three layers composite material,make from  Sound-absorbing sponge and sound-absorbing  surface is Alu foil.

Widely use in room pipe,building pipe ,industrial duct,machine room,container line and so on.

specification:

Thickness:25mm size：1000mmx2000mmx25mm.can be customized

Materials：22mm Wave Acoustic Sponge+ 3mm soundproofing materials+0.1mm Alu foil-faced.

Usage:Used to wrap noisy pipes, ducts, valves and fan housings

Soundproof products made 22 mm sound absorbing sponge, combine with sound insulation damp ing materials.The outer layer is aluminum foil.

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