Rock wool acoustic exterior wall panel
Wall Panel Series
LION CROWN perforated sound-absorbing sandwich panel combines regularly perforated metal steel plates with sound-absorbing materials inside the panel, providing excellent sound absorption and noise reduction effects. It also offers advantages such as fire resistance, environmental friendliness, and ease of construction. With a wide range of colors and various perforation patterns available, it can meet diverse decorative needs and sound insulation requirements.
Product Features:
- LION CROWN sound-absorbing sandwich panel can be used in factory, machine room, recording studio, laboratory where needs requirement of silence.
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Item | Technology requirement |
Sound insulation value | 30-37dB |
NRC | 0.3-0.8 |
Steel sheet thickness(mm) | 0.5-0.8 |
Width(mm) | 600-1200 |
Density | Rock wool≥100kg/m³; Glass wool≥64kg/m³ |
Hole diameter | 1.8/2.2/2.5/3mm, etc |
Hole spacing | 5-8mm |
Punching hole | Pattern: round/square/triangular/strip/hexagonal |



1.Perforated metal steel plate with inorganic sound-absorbing materials.
2.Provided excellent sound absorption and noise reduction.
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