Problem with white paint

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  • December 5, 2011 at 10:50 am #34509

    Hi there, I am an old fart, got into the business of buying cars and repair them for a little profit to suplement my retirement income (not enough). This is my problem I goy a white Civic 2001 with repaired fenders and hood which I have sanded and painted three times and the filler still bleeds thru, I have a pretty good idea how to shoot paint by no means a pro, rather a bad amateur, purchase a Finishline 3 1.3 tip thats what I could efford, the paint comes out fairly well but three days later it bleeds. The paint I am using is Nason. What am I doing wrong. please help.

    Thanks

    December 5, 2011 at 12:46 pm #34510

    after you do your filler work… what grade of paper do you finish on ?

    and you are applying a primer over the repairs?

    tommy

    December 5, 2011 at 3:22 pm #34512

    are you saying your primer is showing through the paint? I have used nason before and found it to be very thin, try using a white valushade or a white sealer over the primer area before the paint to help with coverage. Ask your jobber they can help you.

    December 5, 2011 at 5:46 pm #34513

    I used a fair bit of Nason.

    I would suggest finishing your bodywork in 180-220 on the filler and 320-400 on the painted areas. Use the 421-17 or421-19 2k primer over the repair (3-4 coats). That will fill as good as any other primer surfacer. Also, that primer sands nice and has excellent holdout. I have a feeling you are doing (or not doing) something with regards to the priming.

    Weather you are using the b/c or either of the Nason SS, they are all a little transparent, but even with white, should hide decent enough (2-3 coats for the SS and 3-4 for the base).

    December 5, 2011 at 6:49 pm #34514

    I prime the filler and around it the filler I sand with 150 then 220, prime 2 o 3 coats and 600 to finish and is not tyhe primer that bleeds is the fillerr even after primer

    December 5, 2011 at 9:31 pm #34515

    Are you using red cream hardener in your filler and a 1k primer?

    December 5, 2011 at 9:34 pm #34516

    Are you using red cream hardener in your filler and a 1k primer?

    December 5, 2011 at 11:14 pm #34518

    [quote=”bloverby” post=23917]Are you using red cream hardener in your filler and a 1k primer?[/quote]

    I’d be asking the same question. Plus – what exactly do you mean by “bleeds”, just to make sure we’re all talking about the same thing 🙂

    If you can see a kind of stain where the filler is then you may well have used too much hardener in it.

    December 5, 2011 at 11:14 pm #34519

    I am using 3M platinum filler with blue hardener, universal primer, cheap primer
    Let me take this opurtiunity to thank every one responding to my post. Thank you guys.

    December 6, 2011 at 2:28 am #34520

    Is the universal primer a 1k or 2K(has to be activated) product.

    December 6, 2011 at 4:24 am #34522

    the primer is 1K, is a cheap single component, that might be the problem, I should use 2K. You think?

    December 6, 2011 at 4:31 am #34523

    [quote=”chumpi” post=23921]I am using 3M platinum filler with blue hardener, universal primer, cheap primer
    Let me take this opurtiunity to thank every one responding to my post. Thank you guys.[/quote]

    Like I said before, use a 2k urethane primer surfacer. Since you are using Nason, try their 421-17 or 421-19. It is very inexpensive and is still a very decent quality. You will NOT have bleed through issues with this stuff. If you are using the Nason 421-30 Universal primer, stop. That is a 1k primer and is junk. If you are in a VOC regulated area and are limited to what you can get (where the 421-19 is not avaliable) use the Nason 421-10 2k urethane.

    If you insist on using a 1k primer, you will have issues…

    December 6, 2011 at 6:28 am #34524

    Hi Ben, is not a matter of insisting, is a matter of inexperience, I am not a pro like you, I realy apreciate the fact you you guys have taken the time to answer my question, I realy do and I will follow your advise.

    Thank you very very much

    December 7, 2011 at 6:37 am #34527

    [quote=”Ben” post=23925][quote=”chumpi” post=23921]I am using 3M platinum filler with blue hardener, universal primer, cheap primer
    Let me take this opurtiunity to thank every one responding to my post. Thank you guys.[/quote]

    Like I said before, use a 2k urethane primer surfacer. Since you are using Nason, try their 421-17 or 421-19. It is very inexpensive and is still a very decent quality. You will NOT have bleed through issues with this stuff. If you are using the Nason 421-30 Universal primer, stop. That is a 1k primer and is junk. If you are in a VOC regulated area and are limited to what you can get (where the 421-19 is not avaliable) use the Nason 421-10 2k urethane.

    If you insist on using a 1k primer, you will have issues…[/quote]
    unless….. ya just use a cheap 1k sealer then u would be golden :teach

    December 7, 2011 at 11:28 pm #34539

    Bleed can be caused by putting to much hardener in the filler as some one mentioned.

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