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Super glue…

Discussion in 'off topic' started by RoyleBlue, Apr 1, 2022.

  1. RoyleBlue

    RoyleBlue pfm Member

    …am looking for a decent super glue that is not “runny” - SWMBO bought a bed frame for the spare bedroom that had taken a mild knock, she liked and had a big discount. There is a diamond looking bauble thing that needs to be stuck to a brass type stem but my normal glue doesn’t hold it. Thoughts anyone, and thanks in advance.
     
  2. cutting42

    cutting42 Arrived at B4 Hacker Erg \o/

    Hard to say without seeing the repair needed but I would recommend a 2 part epoxy resin glue like araldite. It will set hard and has very good gap filling qualities. Superglue can be made to work with thicker versions and filler materials but probably not ideal.
     
  3. gintonic

    gintonic 50 shades of grey pussy cats


    picture?
     
  4. Sue Pertwee-Tyr

    Sue Pertwee-Tyr neither here nor there

    My first thought is - what is your normal glue? Once we know what you've used unsuccessfully, we might have a clearer idea of what would be better to use.
     
  5. Darth Vader

    Darth Vader From the Dark Side

  6. jagdesign

    jagdesign pfm Member

    As above, unless you need super quick clamp/drying time, or clamping is necessary and tricky, go for a 2 part epoxy.

    Super glue (CA) can be brittle, makes repositioning tricky, and isn't likely to be as strong on the materials you mention.
     
  7. RoyleBlue

    RoyleBlue pfm Member

    Previous glue was Loctite. Araldite looks to be a good solution so picking some up in an hour.

    Thanks for the excellent prompt replies!
     
  8. Gervais Cote

    Gervais Cote Predator

    Very small gaps : ultra liquid Loctite Super Glue
    Small gaps : gel Super Glue
    Very large gaps : 2 parts epoxy
     
  9. gintonic

    gintonic 50 shades of grey pussy cats

  10. Bob McC

    Bob McC Living the life of Riley

  11. tony_s

    tony_s Member

    Look for any of the superglue "gel" versions if the problem is the glue dripping / moving before you can join the two parts.

    None of the superglues I have used are much good at gap filling as a warning.

    A good squirt of activator on the non glued part helps to start curing quickly, or join the parts and squirt activator anywhere some glue is exposed as it is kind of catalytic. Loctite 7471 or similar.

    All told to me by a Loctite rep many many years ago. Also keep superglue in the fridge.

    HTH, Tony
     
  12. kevinrt

    kevinrt pfm Member

    gintonic likes this.
  13. timH

    timH pfm Member

    I believe adding baking soda to superglue helps but i cant remember how :)
     
  14. gintonic

    gintonic 50 shades of grey pussy cats

  15. calorgas

    calorgas Ratty bumpkin

  16. cutting42

    cutting42 Arrived at B4 Hacker Erg \o/

    Gorilla is a brand name. The type of glue here is a PU or Polyurethane glue. Used a lot in woodworking as well, very very strong and expands a little so gap filling. Can stain your hands and is hard to clean up and offgasses isocyanates but nice and inerts after curing.
     
  17. sean99

    sean99 pfm Member

    The only problem with gorilla glue and epoxies is that they can be very runny until they set and risk oozing out of the joint (particularly gorilla glue since it expands as it sets).
    If absolute bond strength is not critical rubber contact cement (the sort you apply to both surfaces and wait 15 mins for it to "dry" before bringing the two parts together) can be very handy. However there's no wiggle room - it's got to be placed exactly right the first time.
    https://www.amazon.co.uk/dp/B0001P03S8/?tag=pinkfishmedia-21
     
  18. JensenHealey

    JensenHealey pfm Member

    Gorilla glue fan here too. It does expand a bit when setting and needs dampened surfaces to work (it is water activated). But yikes that stuff is strong. I used some to repair a clay roof tile about 4 years ago - it is still there surviving the elements today.

    Araldite is also super good and easier to use than super glues - even the gel forms of them. Two part Araldite is superb if you have a means to hold the pieces until it sets - the same for Gorilla come to that. Araldite rapid is very good. I used it to repair a cracked cast iron water pump casing (frost damage) in the factory many years ago. The pump carried on running under high pressure and factory knocks for many years afterward - so it works!
     
  19. Seeker_UK

    Seeker_UK Feelin' nearly faded as my jeans

    Useful for fixing acoustic guitar nuts.
     
  20. martin clark

    martin clark pinko bodger

    The guitar's nut, or the Guitar nuts..?
     
    calorgas likes this.

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