## Body Paint

#### Treatment of Metal Surface (cont'd)

6-7

Undercoating

3. Featheredge the paint coat.

Sand the body filler surface until the proper dimensions are met.

Use the double action sander and #240~#320#~400 disc papers.

1. Body Filler
2. Featheredging

3. Air blowing/degreasing

Use the alcohol, wax and grease remover.

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

1. Masking

Mask the area surrounding the damage to prevent over spray from the primer surfacer.

Use the masking tape and paper.

2. Spraying primer surfacer

- Spray the primer surfacer over a wider area than the body filler and the exposed surface of the paint film.
- Spray 2~3 coats to get 30 microns of thickness.

- Use the 2-part urethane primer surfacer and a spray gun.
- Mix the primer surfacer with the additive and solvent, and in the correct ratio.
- Follow the primer surfacer manufacturer's instructions.

1. Primer Surfacer

1. Drying

After spraying primer surfacer, allow for 5~10 minutes of normal drying time, then force dry it with infrared lamps or other industrial dryer.

NOTE: Follow the primer surfacer manufacturer's instructions for drying time.