A Resin Obsession reader recently asked if adding fiberglass fibers to branches would give them extra strength while embedded in resin. The casting is going to be a part of a public display that people can touch, and the artist was afraid people may break the branches.
Final resin cure strength is dependent on the resin. i.e. Some resins cure very hard and brittle, others cure soft and pliable. I don’t know that adding fiberglass fibers is going to make the resin stronger. Instead, I would use a resin that cures a little ‘bendy’. That way if someone does grab it, it’s not going to snap.
However, all that said, at the thickness you are casting, a hard curing resin might be suitable. I would suggest casting a length (no branch necessary) in the resin you are considering. Demold and put it up like you intend to display it. Have friends and family touch it, try to break it, etc. It might be fine…. But if it is a long piece, maybe not.
Anyone out there have experience with this?
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