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buffing/polishing clear plastic
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The Gnome
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Joined: December 03, 2003
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Location: Melbourne, FL
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PostPosted: Wed Feb 23, 2005 7:00 pm    Post subject: buffing/polishing clear plastic Reply with quote

Just looking for some feedback on buffing out and polishing clear plastic (like lenses, radio faces). I think I remember seeing a plastic polishing kit in Eastwoods catalog or somewhere else that came with different grit polishing compounds and the like. Has anyone ever tried doing this with any luck? I have wet sanded clear headlight lenses that have yellowed and sprayed them with automotive clear coat before, which actually worked quite well, but I would like to find an easier way to clean up clear plastic.
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RareAir
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PostPosted: Wed Feb 23, 2005 11:38 pm    Post subject: Reply with quote

I perform this task with great results on horn buttons & taillights quite often. I use a high speed grinder (2000rpm) with a polishing foam pad to achieve the desired shine. Be careful though, the part(s) can easily be burned just as easy as a painted surface
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The Gnome
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PostPosted: Thu Feb 24, 2005 6:32 am    Post subject: Reply with quote

What type of polishing compound are you using?
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RareAir
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PostPosted: Thu Feb 24, 2005 8:08 am    Post subject: Reply with quote

3M micro abrasive polishing compound. AKA the Blue stuff
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1947 Typ 11a
1954 Typ 117
1956 Typ 151
1959 Typ 117
1959 Typ 265
1961 356B
1966 Typ 151
1966 Typ 241
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bmtx
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PostPosted: Thu Feb 24, 2005 10:39 am    Post subject: Reply with quote

3M's Finesse works good.
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nthang
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PostPosted: Thu Feb 24, 2005 9:06 pm    Post subject: Reply with quote

McGuires has a line of products for restoring plastic (polycarbonate) finishes. Auto paint stores tend to carry that. I've also buffed small plastic parts like tail lites with buffing and polishing compounds to remove scratches/haze using a cotton wheel on a bench grinder. I don't recommend that method as its very easy to burn plastic by buffing it.
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