Aluminum -plastic composite board

The utility model discloses an aluminum -plastic composite board, including aluminum plate and plastic slab, aluminum plate's last fixed surface installs aluminum alloy stiffening rib and aluminium matter and plants the nail, the both ends of aluminum alloy stiffening rib still fixed mounting have a rotatory screw thread, aluminum plate's last fixed surface installs the involucra of being made by chemical material, still set up and epoxy primer at the upper surface of involucra, and epoxy primer's surface still fixed paste have and be used for anti -oxidation fluorocarbon resin finish paint, the surface of fluorocarbon resin finish paint still fixed mounting have the PE protection film, the plastic slab through install its inboard screw fixed mounting between two aluminum plate, and still be provided with the inorganic steel sheet of anti -corrosion at the upper surface of plastic slab, the aluminum surface of plastic slab lower surface still installs aluminum alloy angle sign indicating number, and easily va