87 warrior
Well-Known Member
Im going to paint my plastics and i was wondering if 180grit sandpaper would work fine.after i paint it im going to put some stickers on it then im gonna clear coat it.Any sugestions?
sanding plastics question
- Thread starter 87 warrior
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Hdale85
Well-Known Member
180grit is going to leave a lot of scratches. Basically you want to get the plastic nice and smooth and then scuff it up with a scotch bright pad (depending on the application will depend on which pad), scuffing it makes sure the paint adheres best. Then you want to use Krylon Fusion paint as it's designed to bond to plastic. It'll likely still chip eventually though.
87 warrior
Well-Known Member
so what grit sould i use
Hdale85
Well-Known Member
Depends on what the surface looks like now, I'd start out low and move up to high finishing up with wet sanding at like 1000-2000 grit. But I'd probably do something like 300grit rough sand, then 500, then 1000, then 2000. This should give you a nice finish. The more you prep the better it'll turn out.
87warrior917
Well-Known Member
Dont go any higher than 400-600 grit. 1000 grit and higher just wont be enough to grab the paint. Plus your gonna put about 2-3 coats on it so it will fill in nicely. Make sure it is super super clean before you spray them. Use wax and grease remover, and also try and find an adhesion promoter for that type of plastic.
87 warrior
Well-Known Member
Cool ill use 300 or so.now what do you mean by a adhesion promotor?
Hdale85
Well-Known Member
Why I said to scuff it with the scotch bright pads. At least that's how I've always painted plastic. 180 grit would look terrible though.
87 warrior
Well-Known Member
cool ill give her a try
TheKid
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This is an old post. If your going to do this. Do it right or you will regret it later. Watch a few Utube videos on how auto body is finished down before paint. Same with plastic. Only difference is your finish is plastic and not metal. It takes special primer and special paint that flexes for plastic.
Use the same cleanliness methods preparing the finish before paint. Paint will flake off easily if the right type is NOT used. -kid
Use the same cleanliness methods preparing the finish before paint. Paint will flake off easily if the right type is NOT used. -kid
