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Thread: Solvent adhesives... why don't more people use them?

  1. #311
    Maximum Bitrate seanz0rz's Avatar
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    ok old thread i know, but i figure it needed to be revived anyway so the noobs can find it in a search.

    the bondo on my bezel finally cracked off, along with everything i used epoxy on. im left with something like this:



    im leaving some of those pieces in, even though i know the epoxy wont hold, just to keep it aligned until i can find an alternative.

    the plastic the bezel is made of is PPE+PS and i cant find any information on this specific plastic as to what solvents work on it. you guys have any help for me? im lost!!!
    1998 Toyota 4Runner SR5 V6 4x4 in Evergreen Pearl Metallic, Lifted, Locked, and Armored. CarPc in custom console with molded touchscreen.
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  2. #312
    Maximum Bitrate seanz0rz's Avatar
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    anyone? i really need help on this. i have researched probably 20+ hours, and havent found anything that i think would help.

    any ideas?
    1998 Toyota 4Runner SR5 V6 4x4 in Evergreen Pearl Metallic, Lifted, Locked, and Armored. CarPc in custom console with molded touchscreen.
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  3. #313
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    that bumper repair product should work well with that....

  4. #314
    Maximum Bitrate seanz0rz's Avatar
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    i talked to the guy at the local plastic supplyer, S&W plastics on E street in san bernardino for you people in the inland empire, and he said because its an oil based plastic, nothing he had would stick to it.

    ill go try that bumper repair kit, off to the store to go buy some!
    1998 Toyota 4Runner SR5 V6 4x4 in Evergreen Pearl Metallic, Lifted, Locked, and Armored. CarPc in custom console with molded touchscreen.
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  5. #315
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    if it is really hard to stick to you should rough it up real good with like a 46-80 grit or something, this'll really double the surface area for adheision, sometimes softening it up a bit by wiping it with a laquer thinner before applying it can work with real problem plastics too, don't try to peel it apart the first day even if it seems dry, it may be a bit easy to seperate it until it cures for a few days,

    the absolute worse case should be needing to prime the bezel piece before bonding, but I really don't think that should be necissary, a coat of bulldog will also help a real problem plastic too, but I'd try it straight first, wash the bezel with soap & water, then a chemical cleaner like prep sol or any wax & grease remover, or even a laquer thinner, but be carefull with thinner cause it could melt the surface slightly, ok in bonding areas but no need to wet the whole bezel on the areas that don't need to be touched... cleaning it is important

  6. #316
    Maximum Bitrate seanz0rz's Avatar
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    that ppe stuff just doesnt melt at all!

    im doing the abs sludge method right now, i know it wont bond to the ppe, but im hoping that it will be good enough. im using a rubber coating on the bezel, so i dont think cracks will be a problem.

    what i am going to do is insert screws through a hidden face of the ppe and have the abs fill in around it, hopefully that will hold it all together.
    1998 Toyota 4Runner SR5 V6 4x4 in Evergreen Pearl Metallic, Lifted, Locked, and Armored. CarPc in custom console with molded touchscreen.
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  7. #317
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    Hey Guys,
    I am considering doing the bumper repair kit mthod on my F6 UTE Down Under - problem is, my dash is made of PPO - PolyPhenylene Oxide - will the Dynatron kit work with this?

    It is a thermoplastic....see IDES for further info, or quotation extract from that site for further info

    A thermoplastic, linear, noncrystalline polyether obtained by the oxidative polycondensation of 2,6-dimethylphenol in the presence of a copper-amine-complex catalyst. Polyphenylene oxide, also called polyphenylene ether, is usually blended with polystyrene to improve its toughness and processability. Polyphenylene oxide has excellent electrical properties, unusual resistance to acids and bases, and is processable on conventional extrusion and injection molding equipment. PPO is easily attacked by some hydrocarbons, although it resists many chemicals. Polyphenylene oxide possesses excellent dimensional stability, low moisture absorption, and high mechanical and dielectric strength.


    Turbocad6? Your input would be appreciated

  8. #318
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    im not to sure about that particular one but it may, I haven't came across many plastics that this won't stick too to some degree, the biggest problems are some plastics that are very waxy, I know several thermoplastic bumpers that this does work fine with...

  9. #319
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    Thanx, I will try it anyway, seems PPO and PPE (polyphenylene ether)are chemically the same material , I will give it a go.

    Now to try and find something similar to Dynatron in Australia

  10. #320
    FLAC ShawJohn's Avatar
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    Quote Originally Posted by seanz0rz View Post
    that ppe stuff just doesnt melt at all!

    You might need a different solvent with PPE, acetone is no good

    AFAIK all plastics will melt in the right solvent!

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