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Author sanding plastic be-fore painting?
Adam-D
Member

Registered: 11th May 02
Location: Cheshire
User status: Offline
   3rd Oct 03 at 17:49   View User's Profile U2U Member Reply With Quote

im doing my handles
want to know how u know when uve gone far enuff
im using 400 grit then 1200 grit
when dry its grey now and it seems smooth
just want to know if this is far enuff so i can paint em tomorow

thank you
Valleyscorsa
Member

Registered: 16th Jan 03
Location: Glam Uni - drives - 1.2 vegas
User status: Offline
3rd Oct 03 at 18:05   View User's Profile U2U Member Reply With Quote

You sand them down to the point where all the dimple (orange peel) stuff has gone but then rough them up alittle so that the primer sticks, get the primer to a glass like finish then, thats what i did with interior parts, prob the same concept
Adam-D
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Registered: 11th May 02
Location: Cheshire
User status: Offline
3rd Oct 03 at 18:08   View User's Profile U2U Member Reply With Quote

well thats gone and when dry they are grey not black anymore
Valleyscorsa
Member

Registered: 16th Jan 03
Location: Glam Uni - drives - 1.2 vegas
User status: Offline
3rd Oct 03 at 18:21   View User's Profile U2U Member Reply With Quote

Whack some primer on evenly in light coats (build it up) making sure its sticking, when you've covered all the plastic sand down with really fine grade of wet and dry till its like glass (super smooth) your then ready to paint!
Adam-D
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Registered: 11th May 02
Location: Cheshire
User status: Offline
3rd Oct 03 at 18:35   View User's Profile U2U Member Reply With Quote

this is taking forever!
Scotty_B
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Registered: 11th Jun 03
Location: East Kilbride
User status: Offline
3rd Oct 03 at 23:11   View User's Profile U2U Member Reply With Quote

Good things come to those who wait.
Greasemonkey
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Registered: 17th Apr 02
Location: Drives a Tractor
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4th Oct 03 at 01:09   View User's Profile U2U Member Reply With Quote

yeah i agree its all in the preperation, it takes minutes to paint the handles but hours to prep them, just make sure you use plastic primer on the plastic, if there is still a little texture showing through try using high build primer on top of the plastic primer then paint, i just did my M3's and they look like a body shop did them, took me 2 days to do thats getting home from work and working on them till 1-2 in the morning!!!!
Adam-D
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Registered: 11th May 02
Location: Cheshire
User status: Offline
4th Oct 03 at 08:32   View User's Profile U2U Member Reply With Quote

im gonna finish doing one of the handles today and see if i start the other one
if im lucjy theyll be painted tomorow
glasgow_corsa_c
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Registered: 13th Jan 03
Location: Ecosse
User status: Offline
4th Oct 03 at 10:26   View User's Profile U2U Member Reply With Quote

know how u feel mate. ive smothed in my dtms and its taking me ages to sand the filler down so its smooth an no imperfections.
Adam-D
Member

Registered: 11th May 02
Location: Cheshire
User status: Offline
4th Oct 03 at 19:04   View User's Profile U2U Member Reply With Quote

right ive think ive got one handle done
1 more to go
IntaCepta
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Registered: 25th Mar 02
Location: Mill Hill East, Greater London
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5th Oct 03 at 00:09   View User's Profile U2U Member Reply With Quote

how did u sand em down so quickly?
takes me hours literally spread over a few days to sand down.
took me 2-3 weeks just to sand down my central console thing. well thats about 2hours of sanding a day lol.
Adam-D
Member

Registered: 11th May 02
Location: Cheshire
User status: Offline
5th Oct 03 at 07:39   View User's Profile U2U Member Reply With Quote

ive got a sanding bock thing thats 400 grit
the wet n dry 400 grit
then smooth it off with 1200

just go nuts i find have a frantic blast for half hour
rest
then go at it again
ill paint n fit nxt weekend when im off
might fit me rear strut brace today
MattyB
Member

Registered: 13th Nov 01
Location: 118.5bhp :D
User status: Offline
5th Oct 03 at 14:03   View User's Profile U2U Member Reply With Quote

Done ur bumpers yet Adam? picS?

 
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