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Thread: New Generation Adhesives

  1. 17th February 2015, 02:46 PM #1
    geodon's Avatar
    geodon
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    New Generation Adhesives

    I have a pair of transmission mounts that are in good nick but have started to de-laminate.
    They are the usual rubber block sandwiched between a pair of metal plates.

    On one side of both, about 20% of the rubber block footprint has detached from the backing plate.

    It seems a waste to replace them.

    Any ideas on what to use to re-glue them?

    At the end of the day they are manufactured using adhesives & not Divine Providence so a repair should be feasible.

    3M's RT3500B looks the goods but is not available in Oz.
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  2. 17th February 2015, 06:36 PM #2
    Roverlord off road spares
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    I think rubber products are not simply glued, they are also pressed under very high pressure.
    What vehicle you talking about as some mounts are not that expensive?

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  3. 17th February 2015, 06:51 PM #3
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    I think you'll find they've been vulcanised together.
    Don.
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  4. 17th February 2015, 07:42 PM #4
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    Quote Originally Posted by Don 130 View Post
    I think you'll find they've been vulcanised together.
    Don.
    Yes, they will have been vulcanised. However, I am not at all sure that it would not be possible to make a satisfactory repair by gluing them, for example using the glues used for tyre/tube repairs. But I have no experience of this and cannot suggest what to use.

    John
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  5. 17th February 2015, 08:05 PM #5
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    Just imagine if the flexy part of mounts was made from sikaflex....... they'd last forever and there would be no separation. Oil and atmospheric ozone wouldn't be issues either.

    DL
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  6. 17th February 2015, 08:20 PM #6
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    Try sikaflex 11FC, the polyurethane based one. Ive used that for engine mounts before.
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  7. 18th February 2015, 01:31 AM #7
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    Quote Originally Posted by Roverlord off road spares View Post
    I think rubber products are not simply glued, they are also pressed under very high pressure.
    What vehicle you talking about as some mounts are not that expensive?

    Thank you gentlemen! I'd forgotten vulcanizing. I now remember those little patches I used to clamp on an inner tube and set on fire to repair a puncture.


    Renault Dauphine transmission.


    Expensive especially when I have to pay for airfreight from Eu as well.


    BM, the local nuts & bolts shop suggested that stuff as well. It's worth a go as the mounts are accessible in situ if they fail.
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