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Section 5 Painting Technique after Body Repair
Partial painting is needed when the vehicle crashes, parts rust, surface bubbles and color changes. The
painting techniques after repair are as follows:
I. Base Treatment (Pre-Treatment)
1. Peel the layer of painting and the coating on the panel.
2. Remove the edges and corners and polish the steel surface where painting peeled and the paint film at the
edges.
3. Cleaning and degrease. Clear up the dust and dirt and remove the oil, etc with degreaser.
II. Base Coating Procedure
1. Apply primer. Apple air drying type paint on the metal surface.
2. Air dry or heat dry (infrared drier) the primer.
3. Apply putty. Apply air drying type oil-base putty and Polyester-base putty on the panel surface that needs
repairing.
4. Air dry or heat dry the putty.
5.Manually polish the putty to make it smooth.
6. Manually polish with water to clear up tracks caused by sand paper.
7. Clear up the dust and the greasy dirt, and dry the putty polishing liquid.
8. Clean the greasy dirt on the polishing surface.
9. Use shield cover or paper to keep out the area that need not repairing.
III.Intermediate Coating Painting
1. Paint the second primer.
2. Air dry or heat dry.
3. Apply putty, and let it dry. Then look for sandhole or sand paper tracks.
4. Manually polish with water.
5. Clean it and let it dry by air. (The times of applying putty and polishing depends on the smoothness of the
surface)
IV. Preparation For Applying Final Paint
1. Shielding. Shield the area that needs not painting with paper.
2. Clear up the dust and degrease. Clear up the dust and oil on the painting surface.
3. Toning. Mix paints to get the color the same with the final paint.
4. Mixing paints.
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