... sound absorption, anti-humidity,etc. Corrosion resistance core panel--PC Honeycomb PanelTechnical specifications:1,sound absorption coefficient: ... 1000mm, or 1300mmLength: freeApplications of Corrosion resistance core panel--PC Honeycomb Panel:1,As noise barrier in high way, ... etc.2,As anti-reflection sound absorbing wall panel &ceiling panel in meeting centre, sports venues, theatre, departure ...