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  1. #1
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    May 2009
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    Default Gluing CCA treated pine

    Hello, I have been asked by one of my daughters in Melbourne who rescues and trains greyhounds for adoption to make a couple of raised stands for the food and drink bowls for a greyhound dog. The stand will be 450mm high.

    I have dismantled a couple of pallets and dressed the timber for the legs of this stand, in the hope that the timber is not too wet. Some of the pallet timber has a green tint, presumably CCA treated pine

    The design is shown in the document below, and requires the cross member to be glued to the legs. It will be held in position by floating tenons.

    Can anyone please advise the best glue to use if this is CCA treated pine?

    I was wondering if there is any standard code marking on a pallet which shows the treatment eg CCA or Methyl Bromide or heat treated ?


    Dog bowl stand2.pdf
    regards,

    Dengy

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  3. #2
    Join Date
    Aug 2008
    Location
    Melbourne
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    Default

    AFAIK you can use whatever glue you want.

    It seems CCA isn't used in pallets, so that's always nice Are Pallets Treated in Australia? | Plain Pallets

  4. #3
    Join Date
    Jun 2009
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    Elizabeth Bay / Oberon NSW
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    Default

    You're quite right, Elan. Pallets for local use are not treated and most overseas shippers now use certified heat treated pallets. However, when AQIS suddenly clamped down on the use of untreated pallets >10 years ago, we were forced to have shipments either fumigated with methyl bromide or have the offshore shippers pack goods onto CCA or other chemically treated pallets. There could still be some imported CCA pallets in circulation.

    mick

  5. #4
    Join Date
    Apr 2013
    Location
    Sydney
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    Default

    I have chopped up and used and pallets from Europe, UK and Japan and all had HT as the treatment on the stamp box and there are several 2 letter codes see pic

    717A132D-ABE0-42FC-BACD-6FB798E69D5C.jpeg

    HT = Heat Treated, MB = Methyl Bromide. This pic should help explain things, but you will only find it on international pallets.

    i recently went to a high end audio shop and they had a fantastic coloured timber pallet that came from Vietnam. I asked if I could have it he said no probs, it was only going to get chopped up for firewood. So I loaded in the car then saw the MB and promptly took it back and then warmed the guy about not chopping it up for firewood either.

  6. #5
    Join Date
    Jun 2009
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    Elizabeth Bay / Oberon NSW
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    I wouldn't be concerned about using MB treated pallets. MB is a liquid when under pressure or below about 4 degrees C. Otherwise it's a gas. No question about its toxicity but any remnants would have blown off at normal ambient temperature. AQIS used it in the early days of pallet treatment to fumigate pallets of empty pharmaceutical bottles which we imported.

    I know it's on the internet but frankly it's quite wrong, like a lot of things people post, even officials. The dangers were always during or soon after application, not later. Try using .edu, or better still .edu .gov after any serious question you want answered on Google, e.g. "toxicity of methyl bromide .edu". It's a great filter for all the crap and misinformation on the web.

    mick
    Certified Ancient Industrial Chemist

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