Ultra-micro Perforated Acoustic Panel

Environmentally friendly and fireproof, sound absorption coefficient NRC0.85, customizable 0.2mm aperture, low-frequency sound absorption coefficient up to 0.90, targeted treatment of low-frequency noise
Product specifications:
Model: 1.8/1.8/0.3, 2/2/0.3, 2/2/0.4, 2/2/0.5, 3/3/0.5 (data meaning aperture/aperture/aperture distance)
1.GB 8624-2012 A2 grade;
2.BS 476-4:1970 non-flammable;
3.GB 18580-2017 E1 grade, formaldehyde emission E0;
4. ASTM G21-09 mildew-proof grade 1
5.IEC 62361:2008 RoHS compliant
6.EN 520:2004 impact resistance
7.ISO 1518-1:2011 scratch resistance
8.ISO 8366-2009 Moisture resistant, waterproof
9.ASTM E 2180-07 Antibacterial
Application:
Auditorium, office, restaurant, home, concert hall, school, gymnasium, etc.