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mugz
PostPosted: Sun Jun 19, 2011 10:41 am 
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Walnut
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Joined: Mon Dec 01, 2008 12:11 am
Posts: 9
Location: Covington Ky
First name: Ike
Last Name: Wilhelm
City: covington
State: ky
Zip/Postal Code: 41012
Country: USA
Focus: Build
Status: Professional
Has anyone used automotive finish before. Im looking for a faster cure time and less shrinkage than traditional laquer. Any ideas ?
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johnparchem
PostPosted: Sun Jun 19, 2011 11:21 am 
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Joined: Mon Aug 23, 2010 11:42 pm
Posts: 1714
First name: John
Last Name: Parchem
City: Seattle
State: Wa
Zip/Postal Code: 98177
Country: USA
Focus: Build
Status: Amateur
you can use a UV cured finish.

viewtopic.php?f=10101&t=31371&hilit=CureUV

http://cureuv.com/uv-guitar-finishing.html

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Chris Pile
PostPosted: Sun Jun 19, 2011 11:41 am 
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First name: Chris
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City: Wichita
State: Kansas
Country: Good old US of A
Focus: Repair
Status: Professional
I used automotive lacquer for nearly all my finishes.

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ChuckB
PostPosted: Sun Jun 19, 2011 11:50 am 
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Koa
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Posts: 692
I have used catalyzed urethane, which is the clear coat part of the base coat clear coat auto finish. It does shrink slightly, so I applied three coats on day 1, level sand the next day and apply another two coats. Wait two days level sand again and buff. Total finish thickness about .005". It takes more time and effort to buff since it is a harder finsh. Looks like nitro laquer, just does't have the amber tint and not as easy to touch up. That said, I still use nitro as my standard finish.

Chuck

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woody b
PostPosted: Sun Jun 19, 2011 7:21 pm 
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Koa
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Posts: 1825
Location: Grover NC
First name: Woodrow
Last Name: Brackett
City: Grover
State: NC
Zip/Postal Code: 28073
Country: USA
Focus: Build
I know of several builders (some which I respect alot) who use automotive finishes. I haven't used automotive finishes (on anything except automobiles) so I won't comment further.

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Ken Franklin
PostPosted: Mon Jun 20, 2011 1:22 am 
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Location: Ukiah, CA
I use Dupont Chroma Clear for most of my guitars. It is easy to apply and buffs to a nice high gloss but it does shrink some. So I have gotten used to spraying two base coats over well-cured CA pore fill and waiting about a week or so before I level and spray the two final coats. Then I can sand and buff the next day which is preferable because it makes sanding and buffing harder if I wait longer.

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Lindamon
PostPosted: Mon Jun 20, 2011 6:51 am 
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Joined: Sun Aug 29, 2010 10:33 am
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First name: Damon
Last Name: Wack
State: FL
Country: USA
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I have used automotive finishes on two aircraft I painted. Be aware some can be quite toxic (isocyanates). Much worse than nitro on your health. I used a full suit and breathing turbine when I sprayed it.

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