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Old 07-16-2011, 01:55 PM
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Pearl paint job

I know kandy paint jobs must go on even because of the change in shade but is this the same case as with pearl paint jobs? Just a little confused on whether the unevenness of the application of the pearl would cause it to look uneven. thanks

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Old 07-16-2011, 02:20 PM
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There are basically two types of "pearl jobs". One is OEM factory pearl (micah) in the colored base coat. The other is OEM or custom pearl applied over a colored base, also known as tri-coat. They both are then clear coated for protection and gloss.

Either type of pearl (and really any metallic paint) needs to be applied evenly to prevent striping, mottling and fogging. That means your air line pressure, paint nozzle pressure, paint reduction ratio, distance from the painted surface, speed of application, temperature etc. must be pretty much spot-on.

I always test spray a scrap panel before applying paint to the vehicle when I know the application is going to be fussy just to see how the material is going to react.

If you follow the manufacturer's directions, the good news is that it will probably go on alright. Generally, inexperienced painters, unless they don't follow the instructions, make the most mistakes by using too much air pressure, using the wrong pattern or no pattern at all, or spraying in extremes of heat or cold.

Good luck on your project!
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Old 07-16-2011, 02:41 PM
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Quote:
Originally Posted by a511mustang
There are basically two types of "pearl jobs". One is OEM factory pearl (micah) in the colored base coat. The other is OEM or custom pearl applied over a colored base, also known as tri-coat. They both are then clear coated for protection and gloss.

Either type of pearl (and really any metallic paint) needs to be applied evenly to prevent striping, mottling and fogging. That means your air line pressure, paint nozzle pressure, paint reduction ratio, distance from the painted surface, speed of application, temperature etc. must be pretty much spot-on.

I always test spray a scrap panel before applying paint to the vehicle when I know the application is going to be fussy just to see how the material is going to react.

If you follow the manufacturer's directions, the good news is that it will probably go on alright. Generally, inexperienced painters, unless they don't follow the instructions, make the most mistakes by using too much air pressure, using the wrong pattern or no pattern at all, or spraying in extremes of heat or cold.

Good luck on your project!
Ok good so basically even if its not perfectly even there wont be a big variance as far as shade and whatnot? another question, does the pearl create a metallic look of is that determined stricly from whether you lay a metallic base or add a flake?
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Old 07-16-2011, 09:31 PM
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It depends on what you are spraying.

Typically when trying to match it you have to do what is called a let doem panal where you spray between 2-5 coats in increaments to find a good match. For example if you are repairing the door you end up painting the whole side to get it to match.

On a OEM pearl some are a tri coat where others are a base coat clear coat. Cadillac had a couple of tri coat colors and some of the higher ends can be to. Chrysler Amathyst is a good example where it can look almost black to purple depending on how the light hits it and that is a bc/cc.

What was said before with a true pearl or candy job a non metallic base color is used first then a tinted clear coat.

White pearl has a metallic effect and can show many colors depending on how light hits it. When it was first used in paints they were using ground up fish scales.

What the last post hit on is temp, spray patterns, and distance wil effect the outcome.
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