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General Category => General Discussion => Topic started by: steven c on October 28, 2018, 08:44:13 PM

Title: Removing off a layer of paint
Post by: steven c on October 28, 2018, 08:44:13 PM
 I have a tank the was painted black, in worn spots I can see the original blue. Would it be possible to buff or sand off off the black with some 1000 grit? Go slow taking my time?
Title: Re: Removing off a layer of paint
Post by: cliffrod on October 28, 2018, 09:32:45 PM
I've salvaged/saved original paint parts like this, usually using 1500 and 2000 grit wet/dry.  Use a cross hatch method for faster and more even removal of unwanted layers.  Using something to support the paper instead of your fingers  helps with consistency.  So does sanding in one way strokes like using a file, not scrubbing back and forth.   Edges, corners and detail lines will cut through easily.  Keep the paper and surface well lubricated while sanding.  Using a hair dryer or heat gun will help dry the surface faster than a simple towel to gauge progress.

The better results I've achieved were with parts which had product applied over the mostly undisturbed original paint with little or no surface prep and no primer.  My heavily metal flaked Norton P11A tank cleaned up well.  If the painter scuffed up the original paint much, it's harder to save original paint because there may not be much (if any) left by the time you level it.  go slow. You can do a test spot to see if it's worth your trouble.

Some Blasting methods can be used as well, but it's less forgiving with inconsistent thicknesses or hardness of products.  Things happen faster, good or bad.
Title: Re: Removing off a layer of paint
Post by: steven c on October 29, 2018, 10:14:05 AM
 Thank you!
Title: Re: Removing off a layer of paint
Post by: flat out on November 14, 2018, 08:57:10 AM
If the original colour is completely intact and has factory clear coat is may be possible to carefully sand the top coat off with 1000grit(go wet)it will cut faster and then re clear it.
If the original colour has not been clear coated the finish would have had to be scuffed for the repaint so it may not be salvageable.
It may take hours to carefully sand off the top coat, if keeping it original is not an issue, a repaint may be the easier way to go.
Have fun,
t.
Title: Re: Removing off a layer of paint
Post by: Sasquatch Jim on November 15, 2018, 09:54:34 AM
 My air chisel gets it  all.
Title: Re: Removing off a layer of paint
Post by: steven c on November 15, 2018, 10:38:19 AM
 I played around with some wet 400 grit on the seat side of the tank. I think repainting would be easier I can't really see seanding it off without getting to the OEM paint or just leave it since this is going to be a low buck project. 1974 Benellie 250 2C so no clear coat back then.
Steve
Title: Re: Removing off a layer of paint
Post by: TOMB on November 15, 2018, 10:41:32 AM
Ride it real fast downhill and the paint will fly off.
See you Sunday at the Whistle Stop.
TOMB
Title: Re: Removing off a layer of paint
Post by: steven c on November 16, 2018, 09:09:41 AM
If I rode it real fast down hill more then just the paint would fly off!
(https://thumb.ibb.co/m40R5L/IMG-0663.jpg) (https://ibb.co/m40R5L)