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thebanshee13 posted an update in the group
Q/A & Help Group 7 years, 5 months ago i finished modding my zeong and i started to paint it however when i did after the paint dried i could see the surface of the plastic to be all scratchy from sanding it down and such is there a way to get rid of that look like prime it or something??
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Q/A & Help Group
What you can do is prime to see where it’s rough. If you use a grey primer then it’s easy to see changes in the surface and so, easy to try and fix. This is the best way I’ve found to smooth out plastic.
What Nick said is true, but you’ll be looking for a primer with “micro filler” added to it. Of course you need to sand it after priming it. For a flat paint, a 800 grid sandpaper will do, for gloss and metallics, a 1000 or 1200 grid sandpaper is needed. And you need to get a primer that is compatible with the paint you are using, provided you want to spray the primer on top of the paint.
If it isn’t an option, to prime over the paint job, you could sand the parts a bit, spray some more paint on it and repeat the process until you are happy with the result.
Bummer that it happened…! Good luck with it!
so i have to prime it with tamiyas since im using tamiya paints but after that i still have to resand it but wouldnt that create a more scratchy rough surface though??
If you are using the Tamiya acrylics, you can’t prime your parts with Tamiya Primer spray cans, nor the Tamiya Surface Primer which comes in a bottle. Both are lacquers and will ruin your messed up paint job even more!
There are two options for you, one being that you use some more paint to thicken the surface and then sand it smooth, the other is to remove the paint so you can use a lacquer based primer.
Of course, if you used Tamiya spray cans paints, you can prime on top of them, as they are lacquer based too.
When sanding the surface down, you will create new scratches, but how visible they are is up to the grid sandpaper you use. For example, a 400 grid sandpaper will leave visible scratches, as a 1000 grid won’t.
You’ll have to recall which grid sandpaper you have used as your last step and work your way up in terms of grid count, take steps of 100 to 200 grid count up. So when you used 400, now use 600, 800 and then 1000. If there isn’t an exact sandpaper grid available to you that I mentioned, that doesn’t matter, as long as it is in the same ballpark
Right now i already stripped off the original paint for the tamiya primer so all i have to do is prime it up then check for scratched surfaces then sand it n then re prime n then paint?
That’s correct. Good luck!
Actually quick question wht happens if u put primer over the tamiya acrylics
The same thing as you put lacquers on top of acrylics. It’ll start dissolving the paint and eventually it’ll peal right off