... fungi, rot, chemical Fiberglass pre-immerged resin sheet (FRP ) as skin panel on both sides, PP honeycomb ... high pressure and heating. The features of our FRP PP honeycomb sandwich panels are light weight, high ... ,wind turbine,sports,tank cover and so on.FRP surface thickness from 0.5mm to 3mm made ... common in application from 6mm to 40mm. So FRP PP honeycomb composite panel thickness from 7mm to above ...