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  1. #1
    Join Date
    Jan 2004
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    Default ungluing and regluing bowl

    My sister in law has given me a karri NZ bowl and and base that was on display during the hot (40 C ) day and the base has slipped from the plate and re adhered about 2 cm off centre. I think it may have been glued with a hot melt glue - it is clear and does not look like the animal glue that I have seen before.
    Q1. can I separate the two pieces with a hot air gun?
    Q2. if that works should I just reglue it with a couple of locating pins in there? or
    should I clean off the glue and use another PVA type like titebond?

    Or is/are there any alternative suggestions?

    Regards,
    Smithy

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  3. #2
    Join Date
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    Default

    Hi gpsmith,
    I would think that it is defiantly hot glue, a heat gun should be able to melt it to remove or you could put it in the microwave to heat it enough to remove it. I would suggest you remove it and clean up the contact area and re-glue with a good quality PVA. A photo could be useful to give a better answer.
    Regards Rod.

  4. #3
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    Default

    A heat gun might scorch it.

    I've used hot-melt glue for temporary assembly. My usual process is to "bake" it in a regular oven at about 190F (about 90C) for about 1/2 hour to loosen the bond. Then scrape off as much of the glue as possible, with final cleaning with acetone.

    Thirty-minute epoxy provides more working time than PVA.

    Cheers,
    Joe
    Of course truth is stranger than fiction.
    Fiction has to make sense. - Mark Twain

  5. #4
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    Default Thank you

    Thank you Joe and Rod,
    I have used the microwave method - 2 minutes on High - it has worked a treat, came apart very easily.

    I have scraped a little of the hot melt glue off - will do more clean up and then try adhering with Titebond or Gorilla.

    Is it better to try and remove the glue when hot or cold?

    Regards,
    Smithy

  6. #5
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    Default

    Smithy
    I think its better to remove the glue when it's hot. I remove the bulk of it with a flat chisel and then clean with turps.
    Ted

  7. #6
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    Mobyturns is offline In An Instant Your Life Can Change Forever
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    Hopefully A NZ turner may chip in. I'm not sure I would be putting NZ kauri into a microwave. At least it worked for you.
    Mobyturns

    In An Instant Your Life CanChange Forever

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