What are the plastic easter eggs made out of?

Can you use plastic Easter eggs to cast resin?

  • Answer:

    "may melt the Easter egg" rather than "will" But more important, depending on how much of the egg shape you are casting, you may not be able to get the half or whole resin egg out of the shell (or the plaster for that matter) because of the lack of taper (relief) on the sides causes too intense a grip. Be generous with release. I would have thought flexible molds to pop the eggs out would be a better choice.

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Hi the best method is to make a mold from one of these eggs with plaster of paris which will take the heat from the curing of the resin when it is poured into the mold. the heat from the curing process will melt the plastic egg molds so a positive is usually made using plaster of paris. the release agent generally used is a wax polish as used with glass fibre molds.

DR + Mrs Bears face

Hi the best method is to make a mold from one of these eggs with plaster of paris which will take the heat from the curing of the resin when it is poured into the mold. the heat from the curing process will melt the plastic egg molds so a positive is usually made using plaster of paris. the release agent generally used is a wax polish as used with glass fibre molds.

DR + Mrs Bears face

"may melt the Easter egg" rather than "will" But more important, depending on how much of the egg shape you are casting, you may not be able to get the half or whole resin egg out of the shell (or the plaster for that matter) because of the lack of taper (relief) on the sides causes too intense a grip. Be generous with release. I would have thought flexible molds to pop the eggs out would be a better choice.

Mike1942...

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