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Ron
the doog Use superglue. Don't try to use regular solvents. You'll most likely wind up melting the paint together, which will stick the parts together, but you'll have a weak joint, and they may fall off in time. Get yourself some superglue.
Use superglue. Don't try to use regular solvents. You'll most likely wind up melting the paint together, which will stick the parts together, but you'll have a weak joint, and they may fall off in time.
Get yourself some superglue.
CA works to a point Doog but a weakpoint of CA is temperature and skin oil. I've seen bonds lose their bond above 90 degrees Fahrenheit and parts literally pop off at temperatures below freezing. And if your going to scrape paint do the locating holes first. Use a drill bit from a pin vise put it in the hole and wiggle it arounda bit and it sould clean out the hole.
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Thanks for the replies. I'll just scrape off paints. It's no big deal at all.
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Solvents such as Tenax will dissolve acrylic paints and really make a mess. Use CA glue to avoid this, but best is to scrape off the paint no matter what kind of glue you are using, and use the smallest amount of glue possible.
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When i doubt ..............scrape the paint off .
I have cementede painted parts together and had no problem. But I prefer to use CA, it's stronger.
Yes...
bondoman Those are solvents so they will not work through paint. They are good though, as you know.
Those are solvents so they will not work through paint. They are good though, as you know.
The Tamiya (and I assume the other as well) will (or at least should) eat right through the paint given enough extra liquid (shouldn't nead much). Personally if I am gluing an already painted item I never scrape the paint, use the amount I would use if it wasn't painted and dont have problems with to much glue or not sticking/cementing/gluing
Andrew
What does work is Cyanoacrylate (super glue). Beware though- the bond is really only as good as the paint is bonded to the plastic.
I tend to break up the process. For gluing wings and hulls etc. together, where scraping and sanding is to follow anyways, solvent glue gives a better bond IMO.
For tacking on details, which are usually prepainted as you say, superglue.
Often for a bigger surface, like a white superstructure to a wood colored deck, scraping off paint is necessary.
Both have their uses.
Its reccomended you do for a firm hold. But if your not worried about how hard its going to stick down, not really. I dont normally. If its a strctural peice i will and touch up later. but for the most part i dont.
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I used to assemble the entire kit and paint.
For the 1st time, I've painted small parts of an AFV (e.g., shovels, ammo boxes) before cementing them to the hull. Do I have to scrap off paints from the areas where I will apply a cement? Or, can a cement work through layers of paints? FYI, I use Tamiya xtra thin and Gunze liquid cements.
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