3M Rubberized Undercoating, 08883, 19.7 oz (560 g) Net Wt
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Questions & Answers
There is no way for me to know for There is an extended cure time and the material takes a long time to Since it is a petroleum based product, it will come off on your hands if you have it still tacky. I wouldn't want it on the outside of a glass I would be drinking from.
According to the size of the vehicle and how much you want to cover, the price will differ. There was enough for me to use three cans and another could be used on a 1966 Corvair mid-size.
It is not a good idea to apply products like this directly over rust, as you will make the problem Rust will continue to grow beneath the coating, and then everything will peel away eventually. Changing the paint is much easier than cleaning the rust. Clean that area manually and use a paint like Por15 or Miracle Paint to repair the rust.