Specifications microperforated absorber

1.Sound absorption

2. wood and magnesium layers

3. BV, CE certificated

Diameter is 1.5mm

microperforated absorber panel of opera house   
Diameter is 1.5mm, the smaller the better acoustic resistance                                          Size: 600mmx600mm, 600x1200mm,  2440x1220mm   or customize.   Material: MDF/ Pine wood/B grade fire rate/multi layers   Feature: Soundproof sheet at back; hole.   Grade: E2, E1.   Fireproof Garde: A2   Thickness:12mm/15mm/18mm.   Substrates: many kinds of substrates for choose.   1. Standard;   2. ECO-friendly(low formaldehyde emission E1 Grade);   3. Fire-resistant(FR).   4. Moisture proofing.   5. Bend resistant.   Surfaces:   1.Real wood veneer ;   2. Printed wood melamine;   3.Fireproofing surface, Formica plate;   4. Metal Plate;   5. UV, PU Paint   Applications:   Theaters, indoor gymansiums, dance and leisure center, sinemas, KTV, shopping senter, hotel recording rooms, listening rooms, auditoriums, school, hospitals and so on and more performance and entertainment locations.   Tissue: it's black, sticked on the back side of the panel; it have fireproof and sound absorption function.     Item: Hole Through E16/6, 12.5% V32/6, 6.5% E32/6, 4.2% V32/3-10, 4% Wooden acoustic panel  Property:   1,NRC:0.75.This product has wide sound absorption spectrum, high sound absorption coefficient, good absorption effect for low, medium and high frequency noises.   2,Flammability:GB8624-1997 Class B1  Flame Spread: 30; Smoke Developed: 25   3,Low formaldehyde emmission:GB 18580-2001 Class E1.   Easy Installation: Can use stapler to stape it on the wooden keels at backside, or use professional aluminium keels and fastener to fix it on the wall.   Application: It's widely used at huge stadium, cinema, meeting room, office room, music hall, theather and work shops etc. any places where need sound absorption can use this products.   Installation photos:    Sound Absorption Coefficient: International Test Report:                                                                           ....