The touch-up coating process of plastic parts generally consists of the following procedures: 1, convex shaping and trimming; Clean the wax, grease and silica gel on the surface of the whole part with detergent; Use 320400 sandpaper to thin the periphery of the deformed part or putty repair part, then suck up dust and clean it with adhesive cloth;

2. Spray special primer or special primer (according to the primer variety recommended by the paint factory, the specified ratio and additives). Note: It is best to use a thinner that volatilizes quickly, and be careful not to get too wet when spraying. Because the exposed flexible plastic and/or flexible putty absorbs diluent and expands, the repair area is obviously visible;

3. Dry at least 1h, and polish with 400 # sandpaper until the surface of the whole part is dull. Blow off the ground ash, clean it, and clean it with a sticky cloth;

4. Spray topcoat. The spraying process of natural color or metallic flash color (single coat or double coat) topcoat is the same as that of metal coating; Drying.

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