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Thread: First Fab job. Where to go from here?

  1. #11
    FLAC J187's Avatar
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    Quote Originally Posted by volum3rider View Post
    Using a putty/bondo spreader that you can buy at any auto parts store is better and easier than using your fingers to spread the bondo. Also sanding when the bondo is drying at a certain phase that it goes through that makes it fell like clay is the easiest and fastest way to sand things down smoother.
    Very good tip about sanding while drying. The only suggestion I would make is that you are either extemely careful while doing this or avoid doing so when you are bondoing a material that bondo does not oridinarily bond well to like abs plastic. In that case, extra drying time is better before sanding.
    Its not the cards you're dealt, its how you play the hand!

    Quote Originally Posted by ryuandwings View Post
    Where can I get a roll of tin foil?
    I been looking for that all over the net, but I can't find it.
    Please help.

  2. #12
    Newbie acollaro's Avatar
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    This is turning out to be a pretty good fabricating thread.

  3. #13
    Constant Bitrate
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    Quote Originally Posted by J187 View Post
    Very good tip about sanding while drying. The only suggestion I would make is that you are either extemely careful while doing this or avoid doing so when you are bondoing a material that bondo does not oridinarily bond well to like abs plastic. In that case, extra drying time is better before sanding.
    Nah, you'll be alright. I've done it more than a few times before and it sticks fine. Only way I can see it not being strong enough to sand, while the bondo is drying, is if the piece of plastic was extremly dirty/oily before bondo was used on it.

  4. #14
    FLAC J187's Avatar
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    Quote Originally Posted by volum3rider View Post
    Nah, you'll be alright. I've done it more than a few times before and it sticks fine. Only way I can see it not being strong enough to sand, while the bondo is drying, is if the piece of plastic was extremly dirty/oily before bondo was used on it.
    Depends on the shape and integrity of the piece you are working on. From years of car audio fabrication - I can personally gaurantee that there are plenty of situations where bondo will not adhere to abs plastics until fully cured, or at least most of the way cured. Even better to score to the surface for better adhesion - bondo is not a natural mate for ABS plastics...I have seen the product lift and not cure with a solid bond and over time, split or crack, with no other obvious causes except that it had been handled too early. My personal opinion is just let it cure and put in the tiny little extra effort to sand it then. If you apply the material properly, and sand properly, it really isn't much work. You apply tight and smooth as best you can. Knock down the high spots w/ a rasp and then continue w/ 36g to do general shaping and it sands perfectly fine and easy. Especially better to let dry when you first start using bondo, because it will give you a better indication as to whether or not you used the proper amount of hardener - something that takes most a little practice to get used to. If you start sanding while its drying, you won't really know whether or not it was going to cure properly.
    Its not the cards you're dealt, its how you play the hand!

    Quote Originally Posted by ryuandwings View Post
    Where can I get a roll of tin foil?
    I been looking for that all over the net, but I can't find it.
    Please help.

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