shinobi
Member
Registered: 12th Jan 04
Location: Cheshire
User status: Offline
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I have got some M3 mirrors given to me and I am going to put them on my car (Corsa C, manual mirrors)
They are a black plastic, not primed or sprayed and it doesn't really match the colour of the car. I've tried spraying the base plates using the following method and they dont look too good. Before spraying them they were really smooth, as plastic is, and now the surface looks rough and mottled.
What I did:
1. 2-3 coats of white plastic primer
2. 2-3 coats of black paint
3. Heated lacquer and base plates with hair dryer and gave 2 coats of lacquer
The finish I have is nothin like the finish on the car itself. Can anyone tell me where I'm going wrong? My old man thinks it's because it is too cold out in the garage and that's why the finish is shit.
If anyone can help me out before I spray the actual mirrors themselves that'd be great.
Perhaps spraying is best left to the pro's. But I've seen piccies in here that peeps have shown me where they have got really good matches with using spray cans.
Cheers for the help!!!
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waynep
Member
Registered: 20th Apr 02
Location: london
User status: Offline
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u shud of sanded black plastic mirror b4 primed..
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waynep
Member
Registered: 20th Apr 02
Location: london
User status: Offline
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see here on how i done my mirrors
http://www.corsacrazy.com/forums/showthread.php?t=4842
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shinobi
Member
Registered: 12th Jan 04
Location: Cheshire
User status: Offline
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it looked really smooth anyway. is that all I am doing wrong you reckon?
what grade sand paper should I use?
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shinobi
Member
Registered: 12th Jan 04
Location: Cheshire
User status: Offline
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I found this:
sanding down with dry paper
1) clean all parts with soapy water, then sand down with grades 240,400,800
then when its smooth-
Plastic primer
2) 3-4 coats of plastic primer with 15min gaps in between, leave overnight
3) sand down lightly with wet paper grade 1200 untill smooth
4) another 2 coats of plastic primer, leave overnight
5) sand down very lightly with 1200 wet paper until very smooth,leave overnight
paint
6) 3-4 coats with 10-15 min gaps, leave over night to dry
lacquer
7) 3-4 coats with 10-15min gap, leave 24hours and its ready
would this be the correct method to use to get a nice smooth looking finish?
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corsa120
Member
Registered: 4th May 02
Location: Northamptonshire
User status: Offline
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yes sounds good m8 but i was told by a bodyshop to put the lacquer on 30 mins after the paint which makes the lacquer bind to the paint before its fully dry
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combatvauxhall
Member
Registered: 3rd May 02
Location: Seer Green-Too close to winkers!!!
User status: Offline
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You need to key the material or else the paint will not stick to the surface. Get some grey scotch or fine(230,320) wet dry and rub the surface till theres no shiny bits left.
This means the paint has something to stick to and will hopefully give you a better finish.
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