Standard thickness: 1.0mm
Width: 150mm Height: 25mm
Length: ≤ 3500mm
surface micro punching, aperture 0.1-0.15mm, punching rate less than 0.75%, NRC ≥ 0.7, no sound-absorbing paper or rock wool.
System keel: 0.6mm dedicated keel
纳声®150超微孔静音系统