Its main advantages are:

The板材 have a high specific strength.

② Core material is cost-effective and in high demand, while surface material is expensive but used in smaller quantities, thus reducing the overall production cost.

③ Proper selection and matching of surface and core materials can effectively meet the pre-designed performance requirements of the sheet material.

If choosing a metal coating to enhance the fire and water resistance of the panels, or selecting decorative panels or thin plastic sheets for the surface to improve its decorative effect.