What is the difference between the sandwich panel and the composite board?
Metal sandwich panels are made of two-layer metal panels (or other material panels) for the surface material, insulation materials to do the core material, with adhesive composite or direct foam curing molding compound.
Building insulation sheet industry in the insulation board refers to the sandwich panels, composite board is popular called.
Metal composite panel in the industry refers to a layer of metal plate covered with another metal plate, in order to reduce the use of the effect (corrosion resistance, mechanical strength, etc.) under the premise of saving resources and reduce the cost of the effect.