## Plastic Parts Paint

#### Undercoating (cont'd)

6-16

2. Filing/Sanding

Apply putty to repair any holes or deep gouges.

- Apply the putty on the damaged are in 2~3 steps.
- Glue aluminium tape on the outside of the bumper, and apply putty from the other side of the bumper.
- Remove the aluminium tape after the putty dries, apply putty from the outside, and fill the hole.

Use a special polyester putty (Reference) and a putty knife.

1. Aluminium Tape
2. Outside

3. Sanding

Sand the surface evenly, particularly at the area where the PP material and putty meet.

Use a flexible block and #240~#400~#600 sandpaper.

1. Featheredging

1. Air blowing/degreasing

Use alcohol, a tack cloth, and wax and grease remover.

5. Spraying primer surfacer

NOTE: Spray the bumper primer (see page 6-17) on the area where the PP material was exposed and around the putty.

- Spray the primer surface wider than the putty and painted surfaces of bumper primer.
- Spray 2~3 coats to get 20~30 microns of thickness.

- Use the 2-component type primer surfacer (grey) and a spray gun.
- Follow the materials manufacturer's instructions.

Drying

NOTE: Take care not to let the heat lamp deform the bumper during the drying process.

6. Sanding

After drying, wet sand the area of the intermediate coat.

Use the #600 sandpaper. NOTE: Do not use less than #600.

7. Air blowing/degreasing

Use alcohol, a tack cloth, and wax and grease remover.

Also clean and degrease the surfaces where the masking tape will be attached.