> ----- Original Message -----
> From: "Fred Fillinger" <fillinger@ameritech.net>track thou
> Subject: Re: Cling Film = Release?>
> > I just pulled some release film this A.M. off a part, and here's some
> > good stuff to use if you intend to do any more lay up'ssold in small
> > U.S. by hardware stores selling "Do-It Best" house-branded stuff.
> > It's doesn't feel like polyethylene, is translucent and matte finish.
> > I wondered whether it would work at all. Jeesh. The stuff would fall
> > off of its own weight if it weighed anything. The layup was even
> > still tacky. Seems even like better paint drop cloth...Regards,
> > Fred F., A063
Cheers,
May I add an opinion?
I was warned about using any material which might contain
petroleum contaminants (such as are used to control the rolling of fabric
goods, or lubricate film materials) IF the surface is to be used for further
epoxying later. While MEK cleaning should rid it of these, it is better to
avoid the use initially. If faced with releasing molds I have used peelply
and THEN covered with polythene, since there is little chance of a
contaminant migrated inward thru the ply, but the excess epoxy is
nevertheless capillaried thru the ply to the plastic surface.
Happy Landings
Ferg A064
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