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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  paint spraying help
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Author Topic: paint spraying help  (Read 1826 times)

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2020mad

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paint spraying help
« on: March 14, 2006, 12:49 PM »
O.k have sanded frame back to bare metal and sprayed with primer, going to sand primer wed evening with wet and dry paper. should i do this with the paper wet or dry tho. :-\ then am going to spray top coat on, any tips for a good finish wanted thanks. :daumenhoch:

Coastvl

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Re: paint spraying help
« Reply #1 on: March 14, 2006, 12:53 PM »
I'd sand it dry then paint it. When it's dry,  wet sand it with 2000 grit. Then paint it again if you like. Then polish it after it hardens up a bit. I've done that in the past and it works well.

2020mad

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Re: paint spraying help
« Reply #2 on: March 14, 2006, 01:28 PM »
thanks, how long before polishing, a couple of weeks? what do you use to polish it with? thanks

Offline oberonspacefruit

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Re: paint spraying help
« Reply #3 on: March 14, 2006, 02:08 PM »
if you have put a few layers on, t.cut works well, then turtle wax. careful with the t.cut tho.specialy on the knobbly bits, it will take it back to the primer if you rub too much. the idea is just to remove any surface blemishes, or orange peel effects.
I want to touch ORB

Offline oberonspacefruit

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Re: paint spraying help
« Reply #4 on: March 14, 2006, 02:10 PM »
wait as long as you can be arsed.

with acrylic i have done it the next day and its looked ok.

i wait longer if its cellulose.

yours is probably acrylic tho......wait as long as you can it will polish better when it has hardened /cured.
I want to touch ORB

2020mad

  • Guest
Re: paint spraying help
« Reply #5 on: March 14, 2006, 02:50 PM »
cheers, looks like i'm polishing it the night before epic then.

theRuler

  • Guest
Re: paint spraying help
« Reply #6 on: March 14, 2006, 03:24 PM »
flatting primer - a short guide

spray on your primer
spray a dust coat of "marker" - just dust a super light coat of spray paint on (not primer. you need to be able to see where you have flatted)
get some 1000 grit wet n dry, and a tub of soapy hot water
wet flat the marker off the primer. when the marker is all gone, you know you have got everywhere
wash off the frame to remove all dust
use a tack cloth to degrease it. from this point on dont handle the frame and leave greasy finger prints
keep the frame somewhere warm until it's time for the topcoat (airing cupboard is good)

keywords here are spray, soapy, greasy and warm

Offline sawzall

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Re: paint spraying help
« Reply #7 on: March 14, 2006, 05:51 PM »
and dont forget your mask, safety first :daumenhoch:
British race frames and race clothing wanted

theRuler

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Re: paint spraying help
« Reply #8 on: March 14, 2006, 06:01 PM »

stevied

  • Guest
Re: paint spraying help
« Reply #9 on: March 15, 2006, 09:55 PM »
i tend to use something like this it saves you from getting paint on your jeans aswell  :daumenhoch:



http://i47.photobucket.com/albums/f187/clarenceroad/b8255b64.jpg

Holmetech

  • Guest
Re: paint spraying help
« Reply #10 on: March 15, 2006, 11:57 PM »
To do a proper job you should really use etching primer first.This eats into the metal and wont flake off like normal primer can do.
You can buy it in spray cans now, from shops that supply the trade with paint and sundries etc.(look in yellow pages)

Mist a guide coat of satin black over the primer,then wet flat it with 1000's.
Give it about 4 coats of top coat,then wet flat with 2000's.
Then polish up with cutting compound(Farecla G3 is best)then any polish that doesnt have silicone in.(just in case you want to paint it again another day)
Voila!
Job done. :)

missfitsat101

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Re: paint spraying help
« Reply #11 on: March 16, 2006, 08:13 PM »
well you all seem sorted here i best get my coat    :LolLolLolLol:

Astrodamus

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Re: paint spraying help
« Reply #12 on: March 17, 2006, 06:16 AM »
cheers, looks like i'm polishing it the night before epic then.

Yeah but, if something goes wrong, that leaves you no time to correct it. Best make it 2 days before (if it were me)

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