Cutting plastic and adding
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I used a pretty thick ABS sheet when I formed this. It's .187, so what is the best tool I could use by hand to cut through? Also, my front and back covers don't match up as well as I thought they would. Would I be to use a plastic putty to build on to the form of the case?
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Re: Cutting plastic and adding
dremel is about the best too for the job as far as cutting.or if you cant use powertools for whatever reason an Xacto knife would probably also work but be harder and arguably more dangerous lol. And automotive spot putty (aka bondo) will work fine as a filler assuming its not a Large difference.
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Re: Cutting plastic and adding
If you're planning on painting the case, you could use ABS cement/liquid ABS. Just layer it on and then sand it to where you want. Paint over it and no one will know.
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Ridonkulous
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Re: Cutting plastic and adding
No that won't work. When the Abs cement dries it will leave pinholes where the acetone dries out of the plastic. When you cand it and paint it you will have tons of tiny holes. Bondo spot putty works for very thin layers but can crack. It's better to layer on plastic bumper filler epoxy or something like Mighty Putty. Then sand and paint.collinE wrote:If you're planning on painting the case, you could use ABS cement/liquid ABS. Just layer it on and then sand it to where you want. Paint over it and no one will know.
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Re: Cutting plastic and adding
Well, true.
but for me, spray painting and sanding a few layers was enough to cover the little holes. or a very thin layer of ABS cement to fill the holes.
where do you get the bumper filler stuff you're always talking about?
but for me, spray painting and sanding a few layers was enough to cover the little holes. or a very thin layer of ABS cement to fill the holes.
where do you get the bumper filler stuff you're always talking about?
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Ridonkulous
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Re: Cutting plastic and adding
Thanks for the response guys. I would also like to know where you get that bumper filler stuff, hailrazer.
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Re: Cutting plastic and adding
well here's what I use , but you can get cheaper stuff :
http://www.urethanesupply.com/mm5/merch ... ode=2020-T" onclick="window.open(this.href);return false;
http://www.urethanesupply.com/mm5/merch ... ode=2000-T" onclick="window.open(this.href);return false;
http://www.urethanesupply.com/mm5/merch ... ode=2020-T" onclick="window.open(this.href);return false;
http://www.urethanesupply.com/mm5/merch ... ode=2000-T" onclick="window.open(this.href);return false;
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Re: Cutting plastic and adding
Although, you said bondo can crack, at what point will it? At the drying stage? Or just by handling?
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Re: Cutting plastic and adding
If it's to thick it wil crack while drying. If it's thin it might not crack, but if your case is flexible and you flex it or twist it, bondo usually will develop cracks.grayfox126 wrote:Although, you said bondo can crack, at what point will it? At the drying stage? Or just by handling?
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Re: Cutting plastic and adding
Is JB weld a good filler to use on portables?
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Re: Cutting plastic and adding
Basically JbWeld is an epoxy but it does not bond well to plasticnobble wrote:Is JB weld a good filler to use on portables?
From the JbWeld site:
I'm guessing ABS plastic is pretty much in the same boat.Q: Is there anything that J-B Weld WON'T bond to?
A: J-B Weld will not adhere to, or bond well to:
* Any flexible rubber surface
* Leather
* Vinyl
* Canvass
* Polypropylene plastic
* Polyethylene plastic
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Re: Cutting plastic and adding
Thanks so bondo is my best bet?hailrazer wrote: Basically JbWeld is an epoxy but it does not bond well to plastic
From the JbWeld site:
I'm guessing ABS plastic is pretty much in the same boat.Q: Is there anything that J-B Weld WON'T bond to?
A: J-B Weld will not adhere to, or bond well to:
* Any flexible rubber surface
* Leather
* Vinyl
* Canvass
* Polypropylene plastic
* Polyethylene plastic
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Re: Cutting plastic and adding
Bondo should only be used to fill very small pinhole spots or in thin coats.nobble wrote:
Thanks so bondo is my best bet?
Plastic bumper filler epoxy is the best for larger fills.
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Re: Cutting plastic and adding
[quote="hailrazer"
Bondo should only be used to fill very small pinhole spots or in thin coats.
Plastic bumper filler epoxy is the best for larger fills.[/quote]
Ok thanks so much! I shall go to my local carquest asap.
Bondo should only be used to fill very small pinhole spots or in thin coats.
Plastic bumper filler epoxy is the best for larger fills.[/quote]
Ok thanks so much! I shall go to my local carquest asap.