Need some advice or direction to take

ECOLI

Well-Known Member
So here is the situation,
Thought I would post on the board for some sound advice or some direction to take. So here is my project.


A beautifully cast resin Thor Ragnarok helmet.


Problem: After painting and masking my paint peels completely up and I don't mean just the metallic paint it goes all the way back to the resin. Straight through the plastic primer. I have been starting to have this issue as of late with rattle can paints and am about to give up. Can some one here chime in and give me a good alternative or better yet give me a paint selection that they use to complete a similar project. I will add that it was the wonderful Tamiya tape that peeled up. I realize it could be a multitude of issues but for the love I have been having this occur almost with regularity that I am willing to start going in the direction of buying a larger compressor and using some high dollar paint. Any help would be most appreciated...Thanks for everything you all do.

E
 
Can you be more specific? What materials are you actually using? Was the cast clean? Did you use a mold release?
 
Strip the paint
Clean well with a good de-greaser (Dawn dish soap and warm water works)
Use a lacquer based primer (I prefer automotive)

Best to let sit a few days between coats of paint for full cure especially when masking off areas.
 
@ division6
Great recommendation with the Lacquer based Primer (automotive)? Is that similar to CREATEX auto colors or do you have a brand in mind? My guess is your recommendation is using some auto-grade primer that requires mixing...I really haven't had a lot of experience in using those but have heard great things. How well do they work through a hobby airbrush....If I need a tool upgrade that isn't a problem but wanted to avoid shelling out the cash. But... with all the problems I am having with rattle cans lately it might be time. Thoughts? and to your point I prob could have waited a bit more but it was taped off after 24hours with the paints listed below...

@ CustomRelic-- Good Question... didn't mean to be vague I assume it is a smoothcast 325 or similar. It was cast by a maker here. It was cleaned prior to paint.

Paints being used are a mix of duplicolor automotive rattle can over a plastic primer coat. Could be the issue but after some prior testing none of the paint reacted to one another. Ill tell you I even had a matte coat on this thing prior to taping off with the Tamiya and it just pulled it right up the clear, the metallic, the primer--all that was left was clean resin.
 
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