Originally Posted by
ColHart
I own Armor powdercoat in CA. and have been blasting and coating for 10 years. Heat from sand blasting can destroy thin metal and easily warp it, as mentioned by Beast. Blasting of sheet metal car parts can be done with non-abrasive media. I would not suggest you practice on your own rig. Blasting is only one method of cleaning parts. Chemical paint removal, washing and etching is preferred for thin parts and is used in high volume houses where blasting is labor intensive.
Powder thickness control is my specialty with state of the art equipment and proper part grounding.