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I'm not sure if its paint or cement, but my car is covered with droplets of it. I had my car washed, but its still there. Its removable if you scrape it with your nail. Is there any liquid material that I could wipe on it to take it off? Thanks in advanced.

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I would suggest you try something like Turtle Wax Bug & Tar Remover. Not knowing exactly what the substance is on your finish, I'd start light and go stronger from there. The Bug & Tar stuff will do it's thing without damaging your paint finish. As you get more involved in what you are trying to do to remove the substance, the greater risk you'll have in damaging the finish. I'm not sure a clay bar will work, mainly because it's usually used on grime of a finer nature than what you are talking about. I wouldn't exclude it from what you try and it won't damage your finish, but will probably take some elbow grease to get it to work. You may also try waxing these areas, as wax gets under/around the contaminant, it will get it to release. Just be aware of whatever you do, to continually change out your cloth or use clean areas of the cloth. If you don't, you run the risk of scratching your finish by rubbing the contaminants back and around everything (hope that makes sense).

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You could also add very soft tools (used with great care) to the mix. If they're coming off with a fingernail, a clay bar on its own probably won't do it. I have non-marring tools that I use in my other life that could be used to carefully work them loose. You might also want to use cleaner wax for its very mild abrasive effect. – Bob Cross Feb 20 '14 at 13:28
I wouldn't discount the clay bar option. This has become my go-to method of removing stuff like tar spots, bugs, etc. In my experience, it can remove some pretty hard-stuck stuff. – mac Feb 20 '14 at 18:06

Whatever you employ test on an old junker with the same problem 1st rather than damage your paintwork further

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