1.Type of coating structure
2/1: Apply twice on the upper surface, once on the lower surface, and bake twice.
2/1M: Coat the upper and lower surfaces twice and bake once.
2/2: Coat the upper and lower surfaces twice, and bake twice.
2.Uses of different coating structures:
2/1: The corrosion resistance and scratch resistance of the single-layer back paint are poor, but it has good adhesion, mainly
To be applied to sandwich panels;
2/1M: The back paint has good corrosion resistance, scratch resistance and processability, and has good adhesion. It is suitable for single-laminated panels and sandwich panels.
2/2: The corrosion resistance, scratch resistance and processability of the double-layer back paint are better, and most of them are used for single-layer paint.
Laminated board, but its poor adhesion, not suitable for sandwich panels.