Has anyone used this glue

Discussion in 'Techniques' started by KILTED COWBOY, Jan 17, 2020.

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  1. Jan 17, 2020 #1

    KILTED COWBOY

    KILTED COWBOY

    KILTED COWBOY

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    Just picked up a bottle of
    Tightbond Polyurethane Liquid Glue.
    Says it's epoxy like, sands easily, bonds almost anything, solvent free, long open time and waterproof.
    Was thinking might be easier to install plastic to bodytube parts like Motor mounts, screw on motor retainers. Typically build Estes models C-E so not using on high power stuff.
     
  2. Jan 17, 2020 #2

    samb

    samb

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    No on the Titebond but yes on Gorilla polyurethane. I'd imagine that the performance is similar. I use it for installing couplers and motor mounts to airframes where a quick grab is not wanted. Not sure about the retainer application since I don't know the heat handling properties.
     
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  3. Jan 17, 2020 #3

    KILTED COWBOY

    KILTED COWBOY

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    Thanks Sam.
    Just read the applications, looks like this one foams a bit as it is moisture activated. So may have a limited usage.
     
  4. Jan 17, 2020 #4

    samb

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    Right, just like Gorilla. For the internal applications I mentioned the foaming is no matter. I don't add any extra water either, ambient humidity in my garage sets it up just fine. Another advantage is you don't have any chance of puckering the airframe like can happen when using wood/white glue for couplers and motor mounts. For thin lpr body tubes that's a good thing.
     
  5. Jan 24, 2020 #5

    jqavins

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    Assuming it's the same as Gorilla, which seems to be the case, I've used it once in a rocket, and might again, in similar circumstances. I was gluing lead shot into a nose cone and needed something that would stick to the plastic. Not much does, but that stuff sticks to basically everything. It worked well. I bet it's be good for other plastic bonds.
     
  6. Jan 24, 2020 #6

    neil_w

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    Polyurethane glue has been mentioned around here before as being very good for gluing shot into plastic nose cones. The foam and expansion are not a downside in that situation. I'm not sure where else I'd really *want* to use it.

    There are some brands of polyurethane glue that claim to be non-foaming (or at least minimal), but I've never tried any of them.
     
  7. Jan 24, 2020 #7

    jqavins

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    It was one of the suggestions when I asked about gluing a paper coupler into a clear plastic payload tube, and I almost went with it; I would have use a very thin smear of the stuff.

    Also, Great Stuff expanding foam is basically the same stuff, with more expansion and lower final density. As far as what it will stick to, just try getting that fecal matter off of anything! It doesn't stick to its own dispensing tube, which I suspect is polyethylene; that and PTFE may be the only things it won't.
     
  8. Jan 25, 2020 #8

    blackjack2564

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    :angiefavorite:do not use great stuff for anything rocket related...plz!
     
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  9. Jan 25, 2020 #9

    Nytrunner

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    Great stuff required air for curing (moisture dissipation etc) Results in a soupy mess in a confined area as i discovered on my L1. If you want foam, spring for the decent 2 part curing type as mentioned.
     

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