suspended ceiling
materials-fiberglass or polyester panel batt
polyester acoustical fabric as covering

suspended ceiling
materials-fiberglass or polyester panel batt and polyester acoustical fabric as covering
Flammability-class B1
NRC= 1.68 100MM thick fiberglass ceiling  with a 250mm back cavity

NRC= 1.76 75MM thick fiberglass ceiling  with a 400mm back cavity

size- 600mm*600mm, 1200mm*2400mm,1200*1200mm

application-cinema, theater, home theater, conference room, sports center where sound absorption effect and fire resistance effect are required.