Sunday, March 3, 2013

Rapid mold making and fast cure resins

Today I felt awkward and wasn't sure which project would take hold while I waited for some urethane projects to dry. My impatience got the better of me and I delved into making a quick mold with my exclusive Rapid Mold Making techniques to see if I could get a new setup going. I didn't have any polyester resin, so I visited the local boat store, West Marine, and got a small container of resin and hardener. Surprisingly, everything went well and 2 hours I had a finished object out of the mold.

The biggest issue now is the brittle nature of polyester resin, even though I added some flexible polyester resin into the mix, the pieces are brittle and more difficult to cut than pieces made with polyester. Breakage may also be an issue, but these pieces seem more durable than the ones I used to make. I used a circle design and they look like coasters. I am thinking about making a bunch of molds with the regular batch of designs for a run of coasters, just to get something more finished into production.

The big question will remain as to whether or not reliefs are any better than just plain stickers or foam coasters with a print on them.

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