polystyrene moulding


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coleio
coleio
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hi, I came across the idea of using polystyrene as a moulding tool. what I figured is for certain parts 2 piece moulds might not be necessary. the part can be made out of polystyrene, wrapped with carbon fibre and once set the polystyrene can be dissolved with thinners, leaving a hopefully perfect one piece part. my question is where can I get polystyrene moulding material. im pretty sure I can buy the balls myself off the internet somewhere but that glue is used to hold it together to make boards etc...
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erdemy1
erdemy1
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hi matt,
"The epoxy went back to a tacky stage as well due to the use of acetone, then came back to a non sticky feel."
Epoxy is thermoset resin, does not reach with chemicals (acetone, thinner etc.)
Your epoxy went back to tacky because, it was not fully cured. Room temperature curing is not good, i prefer always the highest temperature (80-90 C) which i can reach. For example; i heard that big yacht hulls fully cured in one year.

GO

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