question: why doesn't it stick together?

Discussion in 'Sculpting' started by eppi, Jul 17, 2020.

  1. eppi Member

    Hi you all!

    This evening I,ve got a question for you.
    I use a two-components epoxy (I think) putty and I find myself in troubles when I want to stick a ply or a little ball of mixed putty on a hardened body.
    Expecially after a five minutes after mixing the components.
    I tried to make the surface wet with water but the ply/ball slips and is not workable ...
    Can anyone help me?

    Thanks in advance!:confused:
  2. Vermis Member

    Country:
    United-Kingdom
    I would say that's your problem, right there! I may have missed some clever technique, but water's generally a lubricant to stop the putty sticking to things, tools, fingers etc.
    malc and theBaron like this.
  3. eppi Member

    Thanks for answering. Water is my last stand to "refresh" the putty, after any other try.
    The putty sticks just a bit for a very short time; then I've to ... crush it on the hardened part to make it stick.
    Let's take a BELT. I prepare it by rolling the putty on a flat surface, then I cut a thin strip but ... no way! It doesn't stick on the hardened part.
    How do you manage it?
    Thanks in advance!
  4. valiant A Fixture

    Country:
    United-Kingdom
    roll the putty into a small sausage shape, then press into place. use a flat bladed tool to reduce to the required thickness, then trim to width with a scalpel blade(y)
    malc, theBaron and 1969 like this.
  5. 1969 A Fixture

    Country:
    United-Kingdom
    You can also dab a drop of CA(superglue) to the hardened putty and then apply the fresh putty onto that, I have done this many times when the two part epoxy putty looses its adhesive quality. My problem occurs more so when the putty itself is getting old, really fresh stuff tends to be very sticky and stays that way for longer when you have mixed it.
    Cheers
    Steve
    MattMcK. and Vermis like this.
  6. Vermis Member

    Country:
    United-Kingdom
    I usually do the same as Valiant. I've also taken to scratching grooves in the hardened surface to give the putty something extra to grip to, especially for small details.
    theBaron, 1969 and MattMcK. like this.
  7. eppi Member

    Thanks you all for answering. ;)
    Nap likes this.

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