WET SANDBLASTING A 914 |
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WET SANDBLASTING A 914 |
Curbandgutter |
Aug 10 2016, 04:45 PM
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#1
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Senior Member Group: Members Posts: 564 Joined: 8-March 13 From: Murrieta CA Member No.: 15,637 Region Association: Southern California |
Well I'm getting ready to wet sand blast (WSB) my project car and I wanted some input form those who have done it and or have some direct or indirect experience with it. I purchased a wet sand blasting kit from a company back east. I tried a sample piece and was thoroughly impressed. I was able to remove the paint down to bare metal on the underside floor in under 5 minutes. It was incredibly fast. The primer that I am using is an epoxy primer by SPI. I spoke with the manufacturer and they said to steer away from using a rust convertor as they can be very tricky to remove from seams. They also said to just blast it and spray it the next day. The flash rust will not be a problem. What has been your experience
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Curbandgutter |
Aug 30 2016, 02:40 PM
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#2
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Senior Member Group: Members Posts: 564 Joined: 8-March 13 From: Murrieta CA Member No.: 15,637 Region Association: Southern California |
If you do a search on flash rust you're going to get answers both ways.....1) use a metal prep (rust converter,etcher) 2) don't use a metal prep, etcher.
According to the manufacturer of my epoxy primer (SPI) they said Do Not Use a Rust Converter, flash rust is fine! I guess the best thing is to call your paint manufacturer and see what they say. As far as I understand PPG also does not want you to use a rust converter. I believe that their reasoning is that people will not do a good job of neutralizing with water before primering it. Or that some of the acid gets stuck in the seams and does not come out. Eventually it does come out and it will ruin your paint job. |
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