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Thread: Plastic Weld?

  1. #1
    Constant Bitrate
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    Plastic Weld?

    I want to redesign my center console in my car (which is plastic), so I'll be using the sides of it still, and fiberglassin the top of it. How would i combine the two (fiberglass top, to the pre exisiting plastic center console)?

    I heard there is plastic weld, that will combine the two, but I can't find it anywhere in my town. Is there something else?

    Could I just scrape up the plastic on the sides of the console and drill some holes and let the fiberglass stick to that? Or should I try and look harder for some plastic weld stuff?

  2. #2
    Maximum Bitrate Altimat's Avatar
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    Epoxy seems to stick better than fiberglass, but if you rough it up well you should be fine. If you will make the pieces separately epoxy would hold them together well. There are some epoxies just made for plastics.
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  3. #3
    Maximum Bitrate GruvThang's Avatar
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    you could epoxy some brackets to the plastic to support the new fiberglass
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  4. #4
    Maximum Bitrate GruvThang's Avatar
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    try this thread Alternative to Fiberglass it has the weld stuff you are talking about I think.
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  5. #5
    Constant Bitrate
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    Quote Originally Posted by Altimat
    Epoxy seems to stick better than fiberglass, but if you rough it up well you should be fine. If you will make the pieces separately epoxy would hold them together well. There are some epoxies just made for plastics.
    Since I can't find the right stuff in my town, I'll make it out of fiberglass, and ruff up the plastic and use some plastic expoxie I found (crazy clue for plastic) and add them all together to join the two. I'll try it out and see how it works out.

  6. #6
    Jesus Freak antimatter's Avatar
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    what you need is Weld on #16
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  7. #7
    Maximum Bitrate brrman's Avatar
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    I would use some epoxy, and then fiberglass over it
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  8. #8
    Variable Bitrate
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    I'll get you some weld poxy for $20 plus shipping.....

  9. #9
    Constant Bitrate RPI Geek's Avatar
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    It seems like there aren't many people who know about it, but there are ways to literally weld plastic, and that's what I thought you were referring to at first so the thread caught my eye . If you have access to the right equipment, you could use it to make the structural bonds and just fill in the gaps with some cosmetic stuff later, but in your case it looks like it'll be easier to use epoxy for the structural parts.
    I'm lucky because my school has some hot air welding equipment, and if I need to use it, I can just bring the parts down to the shop and start doing the work. It's easy to mess up and burn the parts; it took me quite a bit of practice to get the process down, but now I can plastic weld with no problem.
    can provide some useful information on the plastic welding process if you want to elarn more.
    Here I'll try to be helpful to the forum: if you live near Troy, NY and you want me to do some plastic welding for you, just let me know and we can set something up! I'll be back in Troy in January and graduating in May, so that's your window of opportunity if you want to take me up on the offer.
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  10. #10
    Maximum Bitrate Altimat's Avatar
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    Quote Originally Posted by brrman
    I would use some epoxy, and then fiberglass over it
    Epoxy sticks to fiberglass better than fiberglass itself does, but fiberglass does not stick to epoxy very well at all.
    Fabricator

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