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  1. #76
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    Quote Originally Posted by ian View Post
    self mixing is good

    the 5 minute open time is, IMO, far too short for what you are attempting.
    I agree. Though 5 mins epoxy can be used to hold the pieces together while the longer time one sets.

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  3. #77
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    Jul 1999
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    Glen Iris, Vic, Australia
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    at $2 this is a very cheap
    Utility 25ml Slow Setting Epoxy Adhesive
    https://www.bunnings.com.au/utility-...esive_p1662637
    Thanks,
    Barry G. Sumpter
    May Yesterdays Tears Quench the Thirst for Tomorrows Revenge

  4. #78
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    how many joints do you have to glue?
    at $2 per pair it will start to get expensive very quickly.

    and remember that while an epoxy sticks like the proverbial, you need to match the epoxy to the application.
    regards from Alberta, Canada

    ian

  5. #79
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    Jul 1999
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    Glen Iris, Vic, Australia
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    ~150
    Not all at once though.

    the application is timber joints

    I just managed 12 using most maybe 3/4 of the 14ml for ~$6.50AU.
    This one comes with two spring filled nozels to mix the two components at squeeze out.
    Really hard to push the syringe plunger with my keyboard/mouse hands.

    The $2AU one is 25ml.
    And has to be manually mixed.
    Thanks,
    Barry G. Sumpter
    May Yesterdays Tears Quench the Thirst for Tomorrows Revenge

  6. #80
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  7. #81
    Join Date
    Jul 1999
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    Glen Iris, Vic, Australia
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    OK the lady has given the go ahead on proper glue.
    https://boatcraft.com.au/Shop/index....b5ee83bf2fc699



    Tait Timber
    staybond
    norglass

    PDF:
    https://www.google.com.au/url?sa=t&r...CpHuB0iidpYVJR

    $92 for 470ml
    Frak!
    But just down the block. In stock no waiting for snail mail delivery.


    Frak!
    Definitely order online and pickup in store:
    https://www.boatingcentral.com.au/no...nd-epoxy-glue/
    Thanks,
    Barry G. Sumpter
    May Yesterdays Tears Quench the Thirst for Tomorrows Revenge

  8. #82
    Join Date
    Jul 1999
    Location
    Glen Iris, Vic, Australia
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    30 min set time at 50% humidity above 12°c.

    Currently 13°+ and 93% humidity.

    I know above 64% humidity paint starts to bubble.
    Just wondering about this epoxy as high humidity.

    Currently thinking it will just extend the set time.

    Also the instruction want 12°c for 12 hours.
    I'm only expecting about 9 hours.
    I could set a heater next to the project for a few hours.
    Wonder if I really need to be worried.

    tia
    Thanks,
    Barry G. Sumpter
    May Yesterdays Tears Quench the Thirst for Tomorrows Revenge

  9. #83
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    Hi Barry

    Typically if it gets too cold -- in your case below 12 degrees C -- the setting reaction stops and restarts when the temperature (air and component) goes back above 12 degrees. It can be quite unnerving to come back to a project after 12 hours and find it is still sticky. But I've used other System THREE epoxies and at low temperatures the reaction does run to completion -- it just takes a long time. (just read the on-line info and T-88 will cure down to about 2 degrees C.)

    50% humidity will be what is defined as the "standard" above or below that mark setting times might vary, but generally there'll be no impact on strength. The data sheet suggests that T-88 can be used with wet wood.

    have you read and understood this https://cdn.shopify.com/s/files/1/10...58655970296145
    regards from Alberta, Canada

    ian

  10. #84
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    Righto! Will wait...

    Much appreciated.
    Thanks,
    Barry G. Sumpter
    May Yesterdays Tears Quench the Thirst for Tomorrows Revenge

  11. #85
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    Surprisingly solid this morn about 9:30.

    After still loose last night about 10.

    Anyone know if I heated he mixed epoxy it would torn into a liquid in stead of a gell?
    Thanks,
    Barry G. Sumpter
    May Yesterdays Tears Quench the Thirst for Tomorrows Revenge

  12. #86
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    Quote Originally Posted by barrysumpter View Post
    Surprisingly solid this morn about 9:30.

    After still loose last night about 10.
    not surprising.
    When it's cold the reaction just slows down.

    Anyone know if I heated he mixed epoxy it would torn into a liquid in stead of a gell?
    DON'T
    you run a real risk of the reaction running away from you.

    You can use a water bath to warm the unmixed epoxy up to 25 degrees to make mixing and application easier.
    regards from Alberta, Canada

    ian

  13. #87
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    OK will do.
    Thanks,
    Barry G. Sumpter
    May Yesterdays Tears Quench the Thirst for Tomorrows Revenge

  14. #88
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    Quote Originally Posted by barrysumpter View Post
    Anyone know if I heated he mixed epoxy it would torn into a liquid in stead of a gell?
    just to add to what I wrote above,
    according to the data sheet at 60 degrees C -- approximately the temperature of water out of your hot water tap -- T-88 will set in 30 minutes
    regards from Alberta, Canada

    ian

  15. #89
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    Jul 1999
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    Tait Timber
    staybond
    norglass

    The Norstick Epoxy is 10° or higher. Not 12.

    Do not attempt to glue when the surface temperature is below 10degreesC or when the temperature is likely to fall to that point during the first 12 hours of glueing.
    Wipe over the surface to be glued with Acetone or Methylated spirits on a clean cloth and allow to dry.
    Cramping times should be at least 48 hours at 20degreesC.
    Thanks,
    Barry G. Sumpter
    May Yesterdays Tears Quench the Thirst for Tomorrows Revenge

  16. #90
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    Barry,
    which epoxy are you trying to use?
    T-88 which will cure in temperatures down to 2 degrees C and can be applied to wet wood, or some other product?
    regards from Alberta, Canada

    ian

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