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  1. Cyris's Avatar
    Member Since
    Apr 2011
    Posts
    37
    Aug 10, 2012, 1:43 PM - Magic Sculp? #1

    I don't know how many of you guys have tried using this clay epoxy before, but has anyone had any luck using it as reinforcement and getting it to stick to most plastic surfaces? It was my original plan to use this for my cast, and I had heard that if you used plastic cement and coated it over the surface right before laying down the clay, it would break down the surface enough to allow the clay to adhere better. However, I'm now getting the impression that my polyurethane helmet will not "melt" with the plastic cement. And I'm unsure if my attempts to sand and scuff it up will truly help in the long run.

    So I'm wondering if this product will end up being useful or if I should go another route. I was also wondering if it would help if I happened to stick on something that's perhaps more pourous to get the clay epoxy to grab onto? Any ideas?
  2. Aug 12, 2012, 9:06 PM - Re: Magic Sculp? #2

    Hmmm..never used it....But id think scuffing the surface is your best bet. Most of us will put a layer of fiberglass in urethane helmets if we want to reinforce them. Id think you'd have to use alot of putty to do that...unless your just reinforcing one small area.
  3. Member Since
    Jul 2012
    Posts
    8
    Aug 12, 2012, 9:38 PM - Re: Magic Sculp? #3

    I use magic sulpt all the time on styrene its best to lightly sand the surface or you can drill very small holes on the surface this will guarantee the clay to lock in I have used it on my build the sanding the surface should be good enough though.
  4. Cyris's Avatar
    Member Since
    Apr 2011
    Posts
    37
    Aug 12, 2012, 9:39 PM - Re: Magic Sculp? #4

    Thanks for the tidbit, DV, and yeah it would be a lot of clay. I was hoping to avoid fiberglass as much as possible (as I'm not that fond of it), but I think I'm going to use a little of both methods and see how well they work out on my prototype. I've already gotten mine scuffed up with my Dremel so hopefully they'll stick.

    Raysculpt: Yeah, that was the info I had been able to dig up so far as to make it work. I was just hoping that sanding/scuffing up the helmet would be enough to get MS to stick to the urethane without it eventually popping off. There aren't many places I can drill any capture holes in it, but I did get some small indentures ground in which could hopefully act as such. Thanks!
    Last edited by Cyris; Aug 12, 2012 at 9:46 PM.
  5. High Speed Low Drag Fett 4 Real's Avatar
    Member Since
    Jan 2010
    Posts
    5,678
    Aug 12, 2012, 11:00 PM - Re: Magic Sculp? #5

    Honestly you can get a fiberglass kit at wallmart for patching holes in body work of cars for a few bucks...It works really well for the inside of a helmet. Only thing is it gets hot, which for poly might deform it...magic sculpt takes a while to harden, its not very strong either thouogh, Id go with the FG and keep an eye on it as it sets up.
  6. Bothan's Avatar
    Member Since
    Aug 2010
    Posts
    206
    Aug 13, 2012, 1:12 AM - Magic Sculp? #6

    By far the best reinforcement that I've found is Elmer's E765 All Purpose Repair System 12-Ounce. It is strong, easy to work with, and bonds well to most resins/plastics/metals. I used it to bond thin sheetmetal reinforcements to the inside of the vacuum-formed ABS lower halves of my Fettpride gauntlets. It does not stink like Devcon, but needs to cure overnight. (http://www.amazon.com/gp/aw/d/B000GUDAVK/ref=aw_d_iv_hi?is=l)
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