Need Advice on Paint Prep/Sanding

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Need Advice on Paint Prep/Sanding

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Need Advice on Paint Prep/Sanding - 4/2/2008 10:24:44 PM

axsys

Posts: 555
Joined: 10/11/2005
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so for all of you painters out there, i need some advice. i am trying to paint the ram air covers on my f4i. they are made out of that plastic that is textured, like bumper plastic. i have been sanding it for a while with different grit sand papers, but i cant seem to really get the texture to go away. should i get out the electric sander?

any tips would be appreciated. what grit should i start with, and what should i end with?

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Post #: 1

RE: Need Advice on Paint Prep/Sanding - 4/2/2008 10:27:49 PM

KidCr3nshaw

Posts: 3688
Joined: 10/5/2006
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No!!!

Don't touch it with sanders! If you really need to sand it then get a sanding sponge. They're real cheap at Walmart or anywhere and will work for what you need.

Are you just getting it scuffed for painting or are you trying to sand scratches out of it? If so, how deep?

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RE: Need Advice on Paint Prep/Sanding - 4/2/2008 10:29:05 PM

KidCr3nshaw

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Joined: 10/5/2006
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Didn't catch that last part...

As for grit, it really depends on what you're doing.

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Post #: 3

RE: Need Advice on Paint Prep/Sanding - 4/2/2008 10:38:41 PM

PlayfulGod

Posts: 3739
Joined: 6/9/2007
From: Dalton, GA
Status: online

220 or 320 should work fine, 150 if its really messed up. My F4's wasnt all that textured, but I covered mine in CF vinyl.

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RE: Need Advice on Paint Prep/Sanding - 4/2/2008 11:21:00 PM

axsys

Posts: 555
Joined: 10/11/2005
Status: offline

im trying to get it so its super smooth, like a regular fairing. i want to paint them so that they are gloss black. i will work it with some sanding sponges like you said. luckily i have one that i can test with and not really care about it.

_____________________________

02 F4i Red/Black
-bootleg___ CF L.E. 10" Slip-on
-BMC Filter
-PCIII USB - Two Bros Map
-Artfibras Undertail
-ZG Dark Smoke SR Windscreen
-Hotbodies Flushmounts & Intake Signals

(in reply to PlayfulGod)

Post #: 5

RE: Need Advice on Paint Prep/Sanding - 4/3/2008 5:00:37 PM

Blue Fox

Posts: 4575
Joined: 7/14/2006
From: Las Cruces, NM
Status: offline

Wet sand it with some 400 gritt sandpaper. Should work perfectly. Put time in it too.......and use your hands to see. If it doesn't feel perfect, it's not going to look perfect.

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RE: Need Advice on Paint Prep/Sanding - 4/3/2008 6:01:24 PM

fireblade929

Posts: 71
Joined: 9/8/2007
Status: online

sand it with what the other guys said and the paint coats will get it super smooth. whatever texture is left after sanding, the paint will take care of it.

(in reply to Blue Fox)

Post #: 7

RE: Need Advice on Paint Prep/Sanding - 4/4/2008 1:10:37 PM

xtremef4i

Posts: 297
Joined: 11/16/2006
Status: offline

Personally I would not sand it...you can buy a special plastic primer that is meant for textured surfaces...the primer is real thick and will lay flat...I had mine professionally done and he said not to sand them...the primer and flex agent should fill in all the texture. IMO, sanding is a waste of time on the bare plastic

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Post #: 8