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Thread: Wet Sanding & Buffing Pearl Coat

  1. #1
    Wannabe

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    Default Wet Sanding & Buffing Pearl Coat

    4723728645_70e9bc766a_m.jpg

    My new project is a blue Nissan Navara truck.

    Since TCP won't ship liquids 2 me, I just ordered 2oz Sapphire House of Kolor Kameleon pearls . Two weeks ago I brought Jon Kosmoski's Advanced Painting book. I got some insightful hints on this product on page 113 to 115 of the book.

    Since I only have the powder from House of Kolor and not their clear or base coats, I'm not so sure how it will react with the material supplied locally.

    I was therefore thinking of doing it this way, (1) prime it. (2) Apply metallic Black base (3) Clear it (4) wait 2 days to cure (5) wet sand it with 800 (6) apply pearl in clear (7) wait 2 days to cure (8) Wet sand it with 800 (9) apply 3 coats of clear (10) wait sand it (11) apply 2 flow coats (12) wet sand with 1,200 1,500, 2,000 and polish.

    Jon seemed to have gone straight base, pearl, and immediately top coated it with clear.

    Can one wet sand a pearl coat as indicated in step 8?

    Regards,

    Victor

  2. #2
    TAZ
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    Victor,
    I would do it this way.

    Get your truck prepped, and spot prime the bad areas.
    Finish sand with 320 dry sand. Finer if you would like.
    Seal the truck in black (HOK KS11)
    Spray the black base, then go ahead and spray the pearl mixed in with SG100 (possibly without the SG100, but I've always mixed pearls in with a clear binder type paint).
    Then clearcoat (about 4 coats of clear).
    Then I would wetsand with 1500 and then buff (white foam pads with 3M 6085).

    I don't think I would spray a black "metallic" as this will throw the kameleon out of sync. You need a straight solid black as a background. OR unless they tell you to do this. I'm not at work so I didn't check this out.

    If you do each coat correctly and "smooth", then it should be a no hassle job for you.

    Easier and a LOT less materials and a lot less work

    Please note though, that I haven't used the HOK pearl, but have sprayed hundreds of 3 pearl and color shift paint jobs.

  3. #3
    Wannabe

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    Thanks TAZ,

    Jon actually used a base coat out of their MBC basecoat series. These have brilliant flake material in them.

    Just that my project has to be on hold till 1 July 2010 as TCP Global mixed up my shipping for the pearl.

    In the meantime I welcome any suggestions.

    Regards,

    Victor
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  4. #4
    TAZ
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    Should look pretty sharp.
    Never tried it over the MBC type flakes.

  5. #5
    Wannabe

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    My Sapphire Kolor Kameleon pearls powder from House of Kolor finally arrived last Friday.
    I decided to do a test panel using the inside of the truck bed.
    Last week I sprayed three coats of metallic black base using Toyota paint code Toyo-209. Then, I applied three coats of clear on this. After three days I wet sanded it with 800 gilt paper.
    Yesterday I mixed about 1 quart of clear and added two teaspoons of the pearl powder. The mixer looked a light brown the color of the pearls. This got me confused as I had expected it to turn blue. I therefore added another teaspoon of the powder.
    Well sprayed the mixer on the panel...lo and behold...it was blue!!! Therefore I sprayed three coats of the mixer. Covered this with 3 more coats of clear.
    The result looks deep, smooth and shinny. It even has the look of a detailed paint job although all I did was to wet sand the clear over the black base before applying the pearl mixer.
    However I’m concerned with the black “map-like” large spots showing in the finish. This is more evident on the straight flat part of the wheel ach.
    What could be causing the black spots and what can I do to eliminate them when I paint the whole truck?
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  6. #6
    TAZ
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    I've never used the powered pearls before, but if I had to guess at what the black streaks, or spots are, I would say you don't have the black covered enough. Possibly your mix is not strong enough.

    Also, anytime we spray a color shift paint, we spray the black and then spray the color shift paint directly over the black. We don't clearcoat and sand before spraying the colorshift. I don't know if it tells you to do this, but this would save you a ton of time and materials to bypass this step.

  7. #7
    Wannabe

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    4783958544_efc9ccfeab.jpg
    Thanks TAZ,

    Maybe I added too little powder...or too much as I wanted it to apper blue in the mixing cup.

    I don't mind the extra work and material as I would like to come out nice.

    Hope the picture above helps show the test panel results. I have had difficulties uploading the picture.

    Will try to upload a better photo later.

  8. #8
    TAZ
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    Victor,
    Kind of weird looking. Anyway you can get a closeup of a black area? It almost looks like it might have wrinkled on you. Does the black areas feel different when you rub your hand over it versus the other areas?

  9. #9
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    Hi TAZ,

    The black areas and the rest of it feels smooth and even. After spraying the pearl mixed clear I sprayed three coats of just clear. The black areas are covered in clear.

    The photos really are not doing justice to the real look. Apart from the black areas which maybe did not have adequate coverage of the pearls the rest looks quite nice. I would have loved to upload a bigger picture maybe it woould be more clear. The small "whitish" dots are just the reflection of the flakes in the pearl.

    4786925924_b39c8b033f_m.jpg
    Last edited by Victor Shidono; 07-12-2010 at 11:19 AM.

  10. #10
    Administrator TAZ's Avatar TAZ is a Level 1 Supporter


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    Default

    Sorry for the delay...hadn't realized you replied. Yes, I would just say that it didn't get enough coverage. But from what I can tell, I'm sure the overall look would probably be pretty sharp!

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