Fiberglass / Mold release advice requested

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Ok, I've seen quite a few responses to this posting & have been
wondering about some techniques I saw in the Dayton, OH weak signals
show I went to last year. While there, I saw a demo of mold use where
fiberglass cloth was applied to foam with a vaccuume system & a mold
where a sacrificial membrane was used against the mold in order to
provide a ready to show released part. The demonstrator even went so far
as to spray paint the sacrificial membraine prior to applying the
fiberglass & core material. When the part was extracted, not only did it
look good, BUT IT WAS ALREADY PAINTED!

Does anyone know if this is in use today for larger parts?

Evan Carew
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