Subscribe
  1. RPF Premium Member Hecubus114's Avatar
    Member Since
    Dec 2005
    From
    Phx, AZ
    Messages
    1,866
    Sep 11, 2008, 10:27 PM - OK - what paint will stick to resin?!?!?! #1

    I cant even get primer to stay on... just a touch with my fingertip pulls it off... whats the trick?
  2. modelcitizen's Avatar
    Member Since
    May 2008
    From
    Pacific NW
    Messages
    218
    Sep 11, 2008, 10:31 PM - Re: OK - what paint will stick to resin?!?!?! #2

    bad resin mix , type or wrong paint. what kind of resin...is it weeping sap? what kind of primer? is it oil or acrylic? laquer?
    Last edited by modelcitizen; Sep 11, 2008 at 10:33 PM. Reason: clarity
  3. micdavis is offline micdavis
    Sep 11, 2008, 10:31 PM - Re: OK - what paint will stick to resin?!?!?! #3

    First. What kind of "resin"?

    What was it molded in?

    Did you wash off any release?

    Just about any paint should stick fine.
  4. RPF Premium Member Hecubus114's Avatar
    Member Since
    Dec 2005
    From
    Phx, AZ
    Messages
    1,866
    Sep 11, 2008, 10:38 PM - Re: OK - what paint will stick to resin?!?!?! #4

    it is smooth-on's smooth-cast 320 (?) molded in an RTV mold... I did my best to get all the release agent off - the primer is krylon spray...

    is there a special way I can make sure the release is totally off?
  5. modelcitizen's Avatar
    Member Since
    May 2008
    From
    Pacific NW
    Messages
    218
    Sep 11, 2008, 10:42 PM - Re: OK - what paint will stick to resin?!?!?! #5

    sandpaper is your friend/worst enemy....
  6. exoray's Avatar
    Member Since
    May 2003
    Messages
    5,852
    Sep 11, 2008, 10:44 PM - Re: OK - what paint will stick to resin?!?!?! #6

    Hecubus114 said: View Post
    is there a special way I can make sure the release is totally off?
    Give it a bath in soap (dish soap) and water, rinse well and then wipe it down with alcohol just before painting to remove any body oils from handling...
  7. RPF Premium Member Hecubus114's Avatar
    Member Since
    Dec 2005
    From
    Phx, AZ
    Messages
    1,866
    Sep 11, 2008, 10:46 PM - Re: OK - what paint will stick to resin?!?!?! #7

    cool - I'll give that a try

    modelcitizen - I know exactly what you mean... I started sandpapering it, and about 2 minutes in, I had more than enough, LOL
  8. RPF Premium Member Funky Jedi's Avatar
    Member Since
    Jun 2000
    From
    Tulsa Okie-dokie
    Messages
    11,754
    Sep 11, 2008, 11:18 PM - Re: OK - what paint will stick to resin?!?!?! #8

    Last ditch effort: put it in the oven and bake at a very LOW setting for a couple hours. It cures mild weeping by baking/drying the resin out. I've had pretty good luck with this.
  9. modelcitizen's Avatar
    Member Since
    May 2008
    From
    Pacific NW
    Messages
    218
    Sep 11, 2008, 11:21 PM - Re: OK - what paint will stick to resin?!?!?! #9

    good to know. makes sense.
  10. Patattack's Avatar
    Member Since
    Jun 2006
    From
    Ann Arbor, MI
    Messages
    1,041
    Sep 11, 2008, 11:21 PM - Re: OK - what paint will stick to resin?!?!?! #10

    exoray said: View Post
    Give it a bath in soap (dish soap) and water, rinse well and then wipe it down with alcohol just before painting to remove any body oils from handling...
    Should he wear, say, latex gloves after the soap, so that he doesn't re-deposit body oils as he's alcohol-wiping them off?
  11. RPF Premium Member Funky Jedi's Avatar
    Member Since
    Jun 2000
    From
    Tulsa Okie-dokie
    Messages
    11,754
    Sep 11, 2008, 11:24 PM - Re: OK - what paint will stick to resin?!?!?! #11

    Almost forgot. If do do put it in the oven, don't prime itor it will stink to high heaven.
    Last edited by Funky Jedi; Sep 11, 2008 at 11:28 PM.
  12. Too Much Garlic's Avatar
    Member Since
    Dec 2005
    From
    The dictatorship of Denmark
    Messages
    9,756
    Sep 12, 2008, 1:03 AM - Re: OK - what paint will stick to resin?!?!?! #12

    Put it in the oven where you prepare food and you'll contaminate it and you won't be able to use it for food again. JFYI
  13. Great_Bizarro's Avatar
    Member Since
    Apr 2002
    From
    Texas
    Messages
    2,604
    Sep 12, 2008, 6:14 AM - Re: OK - what paint will stick to resin?!?!?! #13

    I don't think dinner at Funky Jedi's house is going to smell too good!
  14. RPF Premium Member Gigatron's Avatar
    Member Since
    Apr 2002
    From
    Staten Island, New York
    Messages
    5,373
    Sep 12, 2008, 8:19 AM - Re: OK - what paint will stick to resin?!?!?! #14

    Give it a bath in Dawn liquid detergent or Simple Green. Both will cut through weeping resin without destroying anything they touch.

    Dry it off and then let it air dry (a towel will never get in all the nooks and crannies). Then dust it with a little bit of talcum powder and let it sit. If it's still weeping, you'll see changes in the talcum. If it stays dry, wash off the talcum, let dry and paint away.

    -Fred
  15. RPF Premium Member Funky Jedi's Avatar
    Member Since
    Jun 2000
    From
    Tulsa Okie-dokie
    Messages
    11,754
    Sep 12, 2008, 10:22 AM - Re: OK - what paint will stick to resin?!?!?! #15

    NoHumorMan said: View Post
    Put it in the oven where you prepare food and you'll contaminate it and you won't be able to use it for food again. JFYI
    I've done it for years and never had a problem with it.
  16. RPF Premium Member Gigatron's Avatar
    Member Since
    Apr 2002
    From
    Staten Island, New York
    Messages
    5,373
    Sep 12, 2008, 11:47 AM - Re: OK - what paint will stick to resin?!?!?! #16

    Funky Jedi said: View Post
    I've done it for years and never had a problem with it.
    'Cause after the first time, you burned out all of your tastebuds, so now, you don't know any better.

    Either that, or you enjoy the taste of polyester resin and try to add it to all of your food.



    -Fred
  17. BrundelFly's Avatar
    Member Since
    Dec 2001
    From
    Monrovia, CA
    Messages
    2,998
    Sep 12, 2008, 6:03 PM - Re: OK - what paint will stick to resin?!?!?! #17

    THats why I dont use SMOOTH ON.

    It sucks.
  18. Official Licensee RPF Premium Member Got Maul's Avatar
    Member Since
    Jul 1999
    Messages
    5,810
    Sep 12, 2008, 6:07 PM - Re: OK - what paint will stick to resin?!?!?! #18

    Gigatron said: View Post
    'Cause after the first time, you burned out all of your tastebuds, so now, you don't know any better.

    Either that, or you enjoy the taste of polyester resin and try to add it to all of your food.



    -Fred
    Polyester resin is pretty innert. You can pretty much eat it and be fine...but..please don't.

    Yah, its not the resin dude, its the way the resin was mixed. Its still uncured. Also, was it the first pull ? Sometimes tin based silicones aren't cooked or washed correctly, it will emit by product that interferes with the first casting of anything.
  19. RPF Premium Member Hecubus114's Avatar
    Member Since
    Dec 2005
    From
    Phx, AZ
    Messages
    1,866
    Sep 12, 2008, 6:52 PM - Re: OK - what paint will stick to resin?!?!?! #19

    bath in dish washing liquid seemed to do the trick. Thanks everyone for the tips!
  20. Firefoxm31 is offline Firefoxm31
    Sep 12, 2008, 7:56 PM - Re: OK - what paint will stick to resin?!?!?! #20

    Howdy,
    two things to add...one, smooth-on 320 is a polyurethane, not a polyester..big difference lol... you could eat it but would break your teeth off. second, it's not the resin, it's most likely the release agent left over on the resin.... most if not all release agents are parafin or a wax.after casting, the result a wax as the chemical reaction with the mold and resin cure takes place...you should be able to clean with acetone or laquer thinner with no ill effects and it will completely remove the release agent., wear gloves regardless..hope this makes a little sense anyway...
    Cheers,
    Will
    Last edited by Firefoxm31; Sep 12, 2008 at 7:59 PM.

Similar Threads

  1. paint wont stick to my FlexFoam X need some input
    woodman, Sculpture and Makeup Effects
    Replies: 3
    Last Post: Sep 23, 2013, 11:02 AM
  2. Resin and clay will stick together.. or not?
    pancake, Sculpture and Makeup Effects
    Replies: 2
    Last Post: Jan 30, 2013, 10:35 AM
  3. Replies: 20
    Last Post: Oct 27, 2007, 5:41 AM
  4. Replies: 9
    Last Post: Jun 29, 2007, 6:13 AM
  5. Getting paint to stick
    GrenadeKing, Replica Props
    Replies: 3
    Last Post: May 26, 2007, 1:47 PM