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Composition of acoustic barrier modules:
Frame: Galvanized square tubes + C-shaped structure, enhancing the impact resistance of the module.
Panel: Galvanized perforated sheet (perforation diameter approximately 2mm, perforation rate > 23%)
Back panel: Galvanized metal sheet
Sound-absorbing filling layer: Centrifugal glass wool
Scope of application: Road traffic noise control, factory boundary noise control, and noise control of high-noise equipment