mylar source

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Koen O. Loeven - 11 Mar 2006 02:17 GMT

a while back someone posted a good source for thin mylar for use in release
material for paper tube glassing/composite layups. please repost links
thanks.

Koen

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fetchen - 11 Mar 2006 04:08 GMT

This link has several selections - Mylar and Teflon - I've only used the
perforated Teflon with breather fabric and shrink tape in a glassing oven.
I've never been able to produce a tube with that method without creating
wrinkles in the glass, I presume caused by the wrap grabbing the glass cloth
as the whole wrap shrinks. Now I just use the perforated heat shrink tape
alone and get great results on BT-20 up through 3". If you have a better
method - I'd like to hear

http://www.info-central.org/index.cgi?construction

Tom F

>a while back someone posted a good source for thin mylar for use in release
>material for paper tube glassing/composite layups. please repost links
>thanks.
>
> Koen

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Koen O. Loeven - 11 Mar 2006 13:24 GMT

i use your method, but i want a way to release the composite from the
paper/phenolic tube and can't seem to get the special spray discussed on the
composite tapes I bought.

Koen

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Tony - 12 Mar 2006 02:58 GMT

I use 2mil Mylar over the mandrel. I get it from TAP Plastics. Just
tape it to the mandrel in one little spot. Otherwise is hard to get
off. I then use peel ply over that and seems to work pretty good. There
is a bit of a build tread of a 54mm min dia with some photos on it at..
http://www.rocketryforum.com/showthread.php?s=&threadid=23810
Tony

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Model Forum / General / Rockets / March 2006

mylar source