Overcoat Clear Coat Painting

Overcoat Clear Coat Painting

1. Allow enough setting time.
After top coat painting, leave the surface as is for about 10 to 20 minutes, in order to let the solvent evaporate defects from occurring during the forced drying time.

NOTE: As the setting time changes according to temperature or paint layer thickness, check the paint manufacturer's instructions.




2. Forced drying of top coat paint.
- Force dry the surface for about 40 to 60 minutes at a temperature of 154 degree F (70 degree C).
- If polished without being well dried, partial lack of luster or white marks occurs. If dried excessively, the paint layer becomes too hand to easily polished losing its workability.

NOTE: Always refer to the paint manufacturer's instructions.




3. Standing for better adherence (for overcoat clear coating).
Polish the top coat surface (A) with waterproof P1200 to P2000 sandpaper (B), and clean the surface by air blow and fat, oil and grease.




4. Paint overcoat clear coat (A).

WARNING: Avoid contact with skin, wear a respirator, gloves, eye protection, and appropriate clothing when spraying.

NOTE: Be sure to check the paint manufacturer's instructions before use.




5. Drying of overcoat clear coat. After painting the overcoat clear coat, take about 10 to 20 minutes setting time, and force dry it. Force dry the surface for about 40 to 60 minutes at a temperature or 154 degree F (70 degree C).




6. Polishing.
Take out small cavities (A) or paint grains (B).
- Remove the small cavities and paint grains with a honing stone (C).
- First flatten the honing surface and round the edges (D).
- Hone the surface with a rough stone and finish with a fine P1200 to P2000 stone.
- If the paint flow or grains is high, scrape it out with a knife first before honing it.




7. Finishing of painted surface.
Using waterproof P1200 to P2000 sandpaper (A) the surface together with soap and water or water in fixed direction. After the surface becomes flat and smooth.Wipe off the remaining particles.

NOTE: Be careful not to polish too much to remove the overcoat clear coat.




8. Final polishing.
- With fine compound, polish the surface with a polisher (A) set with a towel buff (B) or intermediate sponge buff to take off honing or sandpaper marks. And finally, polish it out with finer compound.
- In polishing, remove honing powders frequently to avoid damaging the paint surface.

NOTE: Turn on the polisher power switch after it has been in touch with the polished surface

9. Glossing.
- Using slender buff with ultra fine compound, polish the painted surface.
- Press the polisher very lightly on the surface to be polished.