Spray Painting Front Bumper

[savegoodautonfg]

I sanded down the entire front bumper and now tommorow i'm going to spray paint it. What do i use to make the spray paint adhere to plastic/urethane good? I want this to look good and stay on for a while.

Help me out here.

 

[dragnazz5.0]

make sure its really clean and use a primer/sealer

 

[grn92conv]

I sanded down the entire front bumper and now tommorow i'm going to spray paint it. What do i use to make the spray paint adhere to plastic/urethane good? I want this to look good and stay on for a while.

Help me out here.

Give the paint something to bite to, by sanding it dry with 400 grit wet/dry paper, then wipe over it with grease and wax remover before painting.

If the paint you're using has some flex to it, the spray paint should stay on good.

 

[Teeto's5.0]

You do not want to use a wax and grease remover on plastic parts of any kind. It will act as a "release" adjent and could cause many adheision problems. You need to use a plastic parts cleaner. Then you should use an adheision promotor such as PPG's dpx801. Then topcoat with a good epoxy primer base and clear. If you use spray paint it will not last sorry to say.

 

[Roland69]

My Dad is a Painter....You need to use a "finnal wipe" after the finnal sanding of the primmer it takes out any oil's that will cause fish eye's. And for your paint you need to add some flex agent's so the paint will flex with the bumpers without craking. The paint supply store will know what your talking about if you tell them that.

 

[Shakerhood]

I second the use of Flex Agents!!!

 

[savegoodautonfg]

i can get the adhesive promotor but where do i get teh flex agent?

and also in what order do i put on the paint, the primer, the adhesive and the flex agent and the clear coat?

 

[Hickfied]

Adhesive, primer, paint (flex mixes with paint right?), clear (flex here also, maybe?)

 

[89-notchback]

Honestly, save your self the aggrivation and waste of $$ doing it with spray paint, Just take the bumper off and take it to the local painter or a macco, since you have it all sanded down shouldn't cost ya more than $100 for them to prep it and shoot it.

 

[savegoodautonfg]

Well i tried taking the bumper off and i dont know exactly how to do it. people told me all different ways so i dunno.

PLus im really broke right now so thats why i decided to just do it myself.

 

[savegoodautonfg]

I dont even know the difference btwn bumper and bumper cover.

 

[GreatWhite]

Just need to remove the bumper cover... it's held on by screws and rivets

 

[Shakerhood]

If you are just going to spray can it, you can find flexible bumper primer and paint in the automotive stores.

 

[Roland69]

the store you get the paint (like NAPA) will have flex agent and yes it goes in with your paint.

 

[savegoodautonfg]

Do they make spray flex agent?

 

[rd]

Removing the bumper cover is easy, it somewhat time consuming. there are a bunch of screws, 4 or 5, that hold it to the front flange of each fender, and some other screws to the front support stuff.

I guess I'd use adhesion promoter then prime and paint.

If that's all you want to paint, leave it on.

 

[Shakerhood]

Do they make spray flex agent?

Yes, as I mentioned above, you can get Flex Primer and Flex Paint in the old rattle cans. I did a front fender extention with it and you cant tell its ever been done, but the key was prep work!

 

[Roland69]

My Dad always adds some flex agent right in with the paint for painting something like a bumper cover.....He said he has never tried adhesive promotor but he thinks it should be mixed with the primer

 

[grn92conv]

You do not want to use a wax and grease remover on plastic parts of any kind. It will act as a "release" adjent and could cause many adheision problems. You need to use a plastic parts cleaner. Then you should use an adheision promotor such as PPG's dpx801. Then topcoat with a good epoxy primer base and clear. If you use spray paint it will not last sorry to say.

Mustang bumper covers are urethane, not plastic.
The grease and wax wipe wouldn't be done directly on the urethane anyway, it would be done over the existing paint or primer that he roughed for bite. There's nothing that gets shot with my gun, before it's wiped with grease and wax remover.

Although I agree, real automotive paint should be used.... as far as "spray paint can't last"... Below is an experiment I did. The complete car was painted with $1 a can Wal-mart spray enamel and clear. Three years later, no chipping nor fading. Although the clear has yellowed some and I'm in the process of repainting it (w/ real automative finish this go around), the spray bomb paint job was a fun little project.

The shine doesn't show too good in pictures, because it's white, but it was wet sanded and polished just like real paint and shines like it.


What the car looked like when it was given to me (before the spray bomb paint job).

 

[just4bob50]

here ya go.

http://www.krylon.com/main/product_...lid=10&productid=1751&content=product_details

LOL