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Topic: Sanding Polyurethane

in Forum: C3 Body

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Sanding Polyurethane

Posted: 4/6/09 3:16pm Message 1 of 7
ossw1
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Rocklin, CA - USA
Joined: 4/2/2005
Posts: 484
Vette(s): 1970 T-Top350/350hp numbers matching 4 speed. It's a mess and 1970 Convertible 4 speed.
Hey what grit of sand paper do I use to sand the front bumber.


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Sanding Polyurethane

Posted: 4/6/09 3:17pm Message 2 of 7
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dskopp
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Oak Creek, WI - USA
Joined: 5/21/2008
Posts: 1965
Vette(s): 1981 Great White Shark. Red Interior, 350/190 hp. PS, PB (SS), A/C CC, T-Tops. Served three years in Active Duty Army, then Retired Air Force after 34 years! Badger State Vettes Car Club. 175,000 Original miles!! Now own a 1998 C-5!
You sanding the 81?
Dan



     



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Sanding Polyurethane

Posted: 4/6/09 3:27pm Message 3 of 7
ossw1
Former Member
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Rocklin, CA - USA
Joined: 4/2/2005
Posts: 484
Vette(s): 1970 T-Top350/350hp numbers matching 4 speed. It's a mess and 1970 Convertible 4 speed.
Yes do I use the same grit for the body as I do for the front?


Sanding Polyurethane

Posted: 4/6/09 3:29pm Message 4 of 7
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corvette440hp
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Joined: 7/2/2006
Posts: 8205
What you mean is Urethane........this might help in your repair: http://www.vetteweb.com/tech/vemp_0810_c5_urethane_bumper_repair/repair_images.html If you just want to sand the lacquer paint just use 400 or higher. It all depends on what you're trying to do.corvette440hp2009-04-06 15:33:10


corvette440hp

Sanding Polyurethane

Posted: 4/6/09 3:34pm Message 5 of 7
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dskopp
Former Member
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Oak Creek, WI - USA
Joined: 5/21/2008
Posts: 1965
Vette(s): 1981 Great White Shark. Red Interior, 350/190 hp. PS, PB (SS), A/C CC, T-Tops. Served three years in Active Duty Army, then Retired Air Force after 34 years! Badger State Vettes Car Club. 175,000 Original miles!! Now own a 1998 C-5!
Do what Larry says!!
Dan



     



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Sanding Polyurethane

Posted: 4/6/09 6:46pm Message 6 of 7
ossw1
Former Member
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Rocklin, CA - USA
Joined: 4/2/2005
Posts: 484
Vette(s): 1970 T-Top350/350hp numbers matching 4 speed. It's a mess and 1970 Convertible 4 speed.
Hey thanks I am just getting it ready to paint it.


Sanding Polyurethane

Posted: 4/7/09 7:46am Message 7 of 7
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corvette440hp
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[QUOTE=ossw1]Hey thanks I am just getting it ready to paint it.[/QUOTE] Just rough it up to get the paint to adhere to it. Make certain to clean the area with denatured alcohol to remove sanding particles, wax etc. You need to add flex agents to the paint for the urethane material.


corvette440hp

in Forum: C3 Body


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