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Plastics ABS or not ?

Discussion in 'XJ Technical Chat' started by a100man, Oct 1, 2014.

  1. a100man

    a100man Well-Known Member

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    Hi All

    Are the sidepanels and tail made from ABS on the 550 seca ? If so I read somewhere they can be 'solvent welded' using acetone.

    Anyone tried this ? If not any suggestions for decent plastic glue that the EU hasn't banned yet..
     
  2. JPaganel

    JPaganel Well-Known Member

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    Abs is abs, and abs plumbing glue works fine.
     
  3. a100man

    a100man Well-Known Member

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    Hmm, so like the stuff you might use if you were to build the wet float height set-up structure with that waste pipe ..:cool:
     
  4. JPaganel

    JPaganel Well-Known Member

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    Waste pipe comes in either ABS or PVC. Typically, white pipe is PVC, black pipe is ABS. They use different glues.

    In US, ABS glue is a mixture of methyl ethyl ketone and acetone with some ABS dissolved in it. MEK might be banned in Europe, no idea what they use there.
     
  5. schmuckaholic

    schmuckaholic Well-Known Member

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    Actually, I don't use cement with mine. Plus, that's PVC, not ABS.
     
  6. a100man

    a100man Well-Known Member

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    Hi I checked my pot of plumber's 'solvent weld' and it says it is good for PVCU and ABS. Also
    'contains Bisphenol. A epichlorohydrin epoxy resin' ??

    I'll give it a try on an old tail piece I have spare as a trial..

    Cheers
     
  7. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    $5 USD says it won't hold.

    Yamaha 550 sidecovers are made of some "mystery plastic" and I've yet to find an adhesive that will actually HOLD. Even those that slightly dissolve the plastic and raise a "bead" do NOT hold.

    I have an old sidecover with a crack in it, and I've glued it with many things as a test, and none of them will keep a bond. Flex it a tad, and it pops apart.
     
  8. MBFTY

    MBFTY Member

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    Ive used a plastic welder with varying degrees of success on my quads when Id have a good getoff and snap a fender.

    Usually, they would break at the weld again the next time they took a beating. Those sidecovers probably wont get nearly the stress.
     
  9. a100man

    a100man Well-Known Member

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    Well I'd love to take your fiver but I suspect you're right.. I couldn't resist trying it on a small stress crack at teh bottom of my RH panel and indeed the plumbers goo appears to have dissolved the mystery plastic a bit. I carved a shallow 'v' on the inside of the panel before applying the glue.. I might try and flex it later.
    It has cracked worse on the top/front of this same panel at the ''C' clip. I was thinking though that some small strips of ABS could be glued on the inside as reinforcement across the split.

    J
     
  10. junkmn

    junkmn Member

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    I have fixed sidecovers using carbon fiber and superglue. The carbon fiber is in strand form. Kinda like hair. From the backside I would lay down the fiber strands and add the thin super glue to it. Then another layer placed in a perpendicular fashion to the first layer of fiber "hair". I think I did 6 layers. Still holding after a year. The carbon fiber I got from the hobby store. It was in the remote control airplane section.
     
  11. JPaganel

    JPaganel Well-Known Member

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    The nifty thing is, you can soak fiberglass cloth in the ABS glue instead of epoxy.
     
  12. quebecois59

    quebecois59 Well-Known Member

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    As per a forum member's recommendation, I made my own ABS "glue" with grated ABS (black tubing from plumbery department) dissolved in acetone, it gave a paste that thickened pretty quickly as acetone evaporated.

    It held well on the front fender split, but failed on the speedometer broken post...go figure, maybe I didn't clean the area properly before I started applying the paste.
     
  13. a100man

    a100man Well-Known Member

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    Thanks guys all good stuff . I have some fibre-glass matting from an old project so that coul be the answer to my reinforcing issue.
    @BF do I still get the fiver if 'other materials' get used ?
     
  14. Rooster53

    Rooster53 Well-Known Member Premium Member

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    What they are made of is likely not too important after 30 years of outgassing to a point that they are no longer soft and pliable and are just a shell of what they once were.

    That said, I am a big fan of Loctite products and Loctite 414 Super Bonder Instant Adhesive covers a good number of plastics. Wondering if anyone has tried it?

    Here is the Technical data sheet link:

    https://tds.us.henkel.com/NA/UT/HNAUTTDS.nsf/web/10CA230148D50945882571870000D771/$File/414-EN.pdf

    I have a cracked side cover, I will give it a try if there is no feedback mentioning it was already tried.
     
  15. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    The $5 was only a bet against the product you listed. Reinforcing from behind is "cheating" I wanna see somebody find something that will actually GLUE this stuff and have it stay stuck.

    And I haven't seen/heard one yet.
     
  16. ecologito

    ecologito Well-Known Member

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    Is it the same plastic as the 650 seca? because I think I found a way to glue and fix them.
     
  17. hogfiddles

    hogfiddles XJ-Wizard, Host-Central NY Carb Clinic Moderator Premium Member

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    I use ProBond......a water-thin adhesive that I get at the model train shop.

    dave f
     

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