Micro-perforated Aluminum Honeycomb Panel
Micro‑perforated aluminum honeycomb panel is a high-performance acoustic panel used for sound absorption and noise reduction, combining tiny precision holes with aluminum honeycomb sandwich structure for excellent NRC (noise reduction coefficient) and structural strength.
Basic Structure
Face sheet: micro-perforated aluminum skin
Core: aluminum honeycomb core
Back sheet: aluminum panel (usually non-perforated or perforated)
Internal acoustic non-woven fabric (optional)
Surface finish: PVDF, powder coating, wood grain, etc.
Key Features
Excellent sound absorption, especially mid‑high frequency
Class A fireproof, fully aluminum non-combustible
Lightweight, high rigidity, not easy to deform
Waterproof, moisture-proof, corrosion-resistant
Clean appearance, suitable for high-end decoration
Long service life, easy to clean and maintain
Perforation Parameters
Hole diameter: 0.5 mm – 1.2 mm (micro‑hole)
Open area ratio: 3% – 15%
Perforation type: round hole, square hole, linear slot, custom pattern
Typical Applications
Office buildings, conference rooms
Theaters, auditoriums, concert halls
Stadiums, gymnasiums
Airports, railway stations
Hospitals, libraries
Ceiling and wall acoustic systems
Acoustic Performance
NRC generally reaches 0.6 – 0.9
Can be designed for low‑frequency resonance absorption by adjusting cavity depth
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