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Chockstone Forum - Gear Lust / Lost & Found

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Topic Date User

ropes and bolting glue: a good mix? 4-Jun-2010 At 11:45:04 AM cruze

Message

On 2/06/2010 gdawg wrote:
>good to know.
>
>I dropped my rope in epoxy glue a few months ago and wasn't sure if I
>should use it. Bit sad to retire it - its my lucky rope.
>
>I have been soaking it in petrol since then and almost all of the glue
>has dissolved out (the rope changed color too!).
>
Mate, I hope that you are kidding about the petrol. I don't know of any studies that have established a negative effect of the action of solvent on core/sheath strength or elasticity, but from my knowledge of polymers I would be concerned that the swelling action of a solvent might cause irreversible modification of the entanglement of polymer chains - ie structural change possibly resulting in weakening. I would go so far as to say that any solvent present in air curable resins might provide the same effect, although I expect that the solvent loading would be quite small.

Whenever I see these types of posts I am not sure what the OP wants to take out of people's responses. Whilst it seems that heaps of people get the stuff all over their gear and are obviously alive enough to post messages on chockstone, we all know that all gear wears out eventually (eg Todd Skinner belay loop) and that certain factors are likely to speed up that process. Hope everything is fine.