... weight,stiffness strength energy absorption anti-corrosion, fungi,rot,chemical FRP as skin panel on both sides, PP honeycomb as ... . The features of our FRP panel are light weight, high stiffness, sound damping, fire-retardnat,quakeproof, insulation, environmental friendly. They are ... to 200mm,common in application from 6mm to 40mm. So FRP PP honeycomb composite panel thickness from 7mm to above. ...