C. Product Size
Polyester acoustic panel Standard size is 2420mm x 1220mm. And the size can be customized.
The standard thickness is 9mm and it can be made to be 12mm thickness.
D. Flame retardant characteristic
Polyester fibre acoustic wall panels can reach class B1 flame retardant (same as GB8624 2006 C), the material is solid, flexible, and has good sound absorption and heat insulation.