Quote:
Originally Posted by tonner
I own an abrasive blasting Company, we deal in all sorts of media Garnet, glass, Soda and others. we soda blast cars because no matter how hard you try you will induce heat with any other media apart from Plastic, we are going to install a plastic section soon. Heat will warp panels, NO IT IS NOT OVERSTATED, we soda first and then touch up small area's that have plenty of shape to them that have rust with Garnet when all the other blasting is finished. would I put a media that will remove rust over panels such as a roof, guard, hood, roof, quarter or trunk lid NO, any thing that is aggressive enough to remove rust will warp.
I have nothing to gain from sharing this information as I am in Perth Western Australia, but I hate misinformation.
Greg
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Thanks for the post Greg, but what I believe Ned is trying to say, is that many of us have had NO PROBLEMS whatsoever, with having mediablast work done on our cars, without the use of Plastic media.
I had my car done with Aluminum Oxide (same material as sandpaper abrasive) and had no issues with panel warpage, etc.
I have also blasted my own cars in the past using a borrowed pressure-pot sandblaster and plain old beach sand (I went to the beach, to get it).
Unless you are an idiot and stay blasting in one area long enough to heat and distort the metal, you are not going to have problems. You work around large areas, do a little at a time, use common sense.
Taking material price out of the equation, Plastic Media is undoubtedly the best "foolproof" blast media one can possibly use. But no one should be led to believe that they are facing an unmitigated disaster of epic proportions, if they elect to use more conventional, time-proven, and (GASP!) cheaper, blast media.
Now THAT would be "misinformation".