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Author Spraying Metallic?
MattyB
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Registered: 13th Nov 01
Location: 118.5bhp :D
User status: Offline
6th Apr 04 at 12:05   View User's Profile U2U Member Reply With Quote
In the process of re-spraying my mirrors.........

sanded old paint, smooth as glass, primed, sanded, primed, wet+dry, like glass, just been cleaned and ready for spraying.

I've not done much metallic spraying in the past so i have a query.........

Once the i've done a few coats of the metallic paint, am i right in thinking i let that dry, then 1200grit wet that over to get rid of imperfections before laquering it?

thanks

Matt
waynep
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Registered: 20th Apr 02
Location: london
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6th Apr 04 at 12:12   View User's Profile U2U Member Reply With Quote
Nah man we didnt do that with my brows and it came out nice... im also doin my dtms at the mo and im not guna sand my met paint...
MattyB
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Registered: 13th Nov 01
Location: 118.5bhp :D
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6th Apr 04 at 12:14   View User's Profile U2U Member Reply With Quote
yeah, its the stage i'm most curious about coz all the guides i've read have said to do it :S But like u say geez, all our work has come out OK without doing so....?

Matt
Red_SXi
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Registered: 23rd Sep 02
Location: Dunstable Drives: 52 Plate BMW 3 M Sport Coupe
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6th Apr 04 at 12:57   View User's Profile U2U Member Reply With Quote
If there are imperfections rub down with 1200grit, but if its nice then i dont bother
MattyB
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Registered: 13th Nov 01
Location: 118.5bhp :D
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6th Apr 04 at 13:01   View User's Profile U2U Member Reply With Quote
oh oky doke. i can usually get the metallic very smooth and shiney with cans. It looks good enuff not to laquer, but i guess the extra layer protects and prob ensures colour match
waynep
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Registered: 20th Apr 02
Location: london
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6th Apr 04 at 14:13   View User's Profile U2U Member Reply With Quote
mat i got a prob i fitteed my mirrors but fom inside the car i can still dam see the underside of the baseplate which is obviously a part that i didnt spray and it looks wank.....
MattyB
Member
Registered: 13th Nov 01
Location: 118.5bhp :D
User status: Offline
6th Apr 04 at 14:25   View User's Profile U2U Member Reply With Quote
..........once its totally dry, mask up the outside bits around the edge, and give it a flash over in the primer + frost blue mate!
Greasemonkey
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Registered: 17th Apr 02
Location: Drives a Tractor
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6th Apr 04 at 15:20   View User's Profile U2U Member Reply With Quote
this is one i have always waned to know, if ya sand metallic paint it goes flat yes, but also dull, once laquered the dullness is locked in, unlike non metallic ya carnt polish it after, what i do is sand the coat before the last top coat, then i dont sand again, not even the laquer, and the finish i always get is top notch
waynep
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Registered: 20th Apr 02
Location: london
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6th Apr 04 at 15:34   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by MattyB
..........once its totally dry, mask up the outside bits around the edge, and give it a flash over in the primer + frost blue mate!


Mhhh good point cheeeeeeeers
MattyB
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Registered: 13th Nov 01
Location: 118.5bhp :D
User status: Offline
6th Apr 04 at 15:53   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Greasemonkey
this is one i have always waned to know, if ya sand metallic paint it goes flat yes, but also dull, once laquered the dullness is locked in, unlike non metallic ya carnt polish it after, what i do is sand the coat before the last top coat, then i dont sand again, not even the laquer, and the finish i always get is top notch


nice one, u reckon:

primer
sand
primer
sand
paint
paint
wet sand
paint (to get gloss back)
laquer

jubbly?

Matt
Rob H
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Registered: 28th Oct 00
Location: Staffordshire Drives: Astra SRi
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6th Apr 04 at 16:32   View User's Profile U2U Member Reply With Quote
Started to sand mine recently with 1200 paper before i laquer it, and it always comes out fine. Just make sure you've got the paper very very wet before sanding it. I've found using stuff you've used before that slightly worn doen is better as its even less harsh than new 1200 paper. If you get any nasty scratches in the top coat, then re-spray it, but if you just take the shine off it, then thats perfect .

I find when you sand it, it allows you to get a thicker layer of laquer onto it, without the risk of it running.
Kris TD
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Registered: 25th Mar 02
Location: Ware, Hertfordshire
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6th Apr 04 at 16:34   View User's Profile U2U Member Reply With Quote
you only need too sand the colour if there is crap in it, to be honest i wouldnt bother on a mirror.
MattyB
Member
Registered: 13th Nov 01
Location: 118.5bhp :D
User status: Offline
6th Apr 04 at 17:12   View User's Profile U2U Member Reply With Quote
Oky doke.....nice one all

 
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