🚀 go-pugleaf

Can anyone talk to me about release agents?

I have made a polyester mould that came off its wooden plug very
easily however I can't seem to stop epoxy mouldings sticking to
the polyester mould very badly (I trashed one part of the mould 
at the first attempt!).

I have tried:

1/. Bees Wax rubbed on and polished off - six "coats"!

2/. A silicon spray used to lubricate windsurfer dagger boards.
    (Yes I know about painting problems later with silicon).

Both looked OK before lay up (nice shine) but in both cases the 
epoxy stuck to the polyester mould better than it did to the kevlar
cloth!

When applying wax should it be left to form a kind of solid cost
or polished off like on car bodywork? I find most of it seems to
comes off as a white powder when I polish it even gently. Should 
the mould have the shine taken off first before starting with the
wax? Mine has a high gloss finish.

Ta

Colin





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|            _          | Email: cwatters@acorn.co.uk (Colin Watters)       |
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