Body sand blasting or acid dipping |
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Body sand blasting or acid dipping |
r_towle |
Nov 4 2014, 07:45 AM
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#1
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Custom Member Group: Members Posts: 24,591 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States |
When prepping a car for sandblasting, what is the common thing to do with the aluminum tags in the front trunk and door pillar?
I suppose the second question would be do I acid dip the car or get it sandblasted? |
r_towle |
Nov 5 2014, 05:37 PM
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#2
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Custom Member Group: Members Posts: 24,591 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States |
Interesting note, the initial dip is a BASE.
The acid dip, typically phosphoric acid, is down to neutralize the base and stop the process from continuing. Phosphoric acid also helps stop rust from continuing...same reason. Then wash it off with water... So the car sits for a long time in a base solution, and is dipped pretty fast into an acid bath. Now I want to go out and weigh a small piece of sheet metal and put it into phosphoric acid for a week to see what happens. Rich |
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