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rparigor(at)suffolk.lib.n
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 Posted: Wed Nov 04, 2009 11:43 am Post subject: Is there such a thing as bidirectional peel ply? |
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Curious, is there such a thing as bidirectional peel ply?
If so has anyone used it? What were results?
Where can it be obtained from?
Thx.
Ron Parigoris
Visit - www.EuropaOwners.org
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rlborger(at)mac.com
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| Posted: Wed Nov 04, 2009 11:55 am Post subject: Is there such a thing as bidirectional peel ply? |
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Ron,
All peel ply is BID. Satin weave, I believe.
Bob
On Wednesday, November 04, 2009, at 01:41PM, "rparigoris" <rparigor(at)suffolk.lib.ny.us> wrote:
| Quote: |
Curious, is there such a thing as bidirectional peel ply?
If so has anyone used it? What were results?
Where can it be obtained from?
Thx.
Ron Parigoris
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rparigor(at)suffolk.lib.n
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| Posted: Wed Nov 04, 2009 12:59 pm Post subject: Is there such a thing as bidirectional peel ply? |
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Hi Bob"All peel ply is BID. Satin weave, I believe."You may be right.I was thinking along the lines of what Europa calls BID where the weave is not an even number of under and over strands and it conforms to odd shapes very well. I don't know what the precise description is but think peelply that conforms better than what ACS sells would be desirable. If a color other than white, even better.Thx.Ron Parigoris [quote][b]
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ptag.dev(at)tiscali.co.uk
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| Posted: Wed Nov 04, 2009 1:00 pm Post subject: Is there such a thing as bidirectional peel ply? |
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Hi! Ron
What you are looking for is a fabric loosely weaved to allow it to flex like
bid glass fibre. IMHO this is impossible, you need to cut many small pieces
to fit round a curve. Loose weaved material would embed it's self into the
resin surface instead of lying on the top.
Regards
Bob Harrison.
--
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ami(at)mcfadyean.freeserv
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| Posted: Wed Nov 04, 2009 1:18 pm Post subject: Is there such a thing as bidirectional peel ply? |
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This material exists as 'biaxial' (i.e. bias-cut) finishing tape for fabric
covered a/c, and is made of polyester/Ceconite/Stits/Polyfiber, much the
same as peel ply. Because it is bias cut is will go around compound curves.
The Polyfiber product may have been sized with silicone for the purpose of
weaving the basic fabric, so good luck with that!
Quite expensive though and I would imagine very difficult to remove; it
would pull apart into many short pieces. It would be easier to bais-cut
strips of peel ply from a sheet of polyester fabric.
Duncan McF.
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rlborger(at)mac.com
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| Posted: Wed Nov 04, 2009 1:18 pm Post subject: Is there such a thing as bidirectional peel ply? |
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| Quote: | Hi Ron,
OK, you want peel ply with better drape qualities as in the loose twill weave BID. I agree that a peel ply with better drape might be a useful item. I don't think it is available. At least I haven't been able to find peel ply in anything but a tight satin weave with miserable drape character.
When I think about it, a loose weave peel ply with good drape qualities might be difficult to remove once the epoxy has set. Part of the reason it peels off so well is that it's stiff and strong.
Personally, I like the florescent green stuff. No doubt at all if it's there or been removed.
Bob
On Wednesday, November 04, 2009, at 02:21PM, <rparigor(at)suffolk.lib.ny.us> wrote:
Hi Bob
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"All peel ply is BID. Satin weave, I believe."
You may be right.
I was thinking along the lines of what Europa calls BID where the weave is not an even number of under and over strands and it conforms to odd shapes very well. I don't know what the precise description is but think peelply that conforms better than what ACS sells would be desirable. If a color other than white, even better.
Thx.
Ron Parigoris
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hurstkr(at)redzone.com.au
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| Posted: Wed Nov 04, 2009 1:37 pm Post subject: Is there such a thing as bidirectional peel ply? |
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| Quote: | Curious, is there such a thing as bidirectional peel ply?
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Ron,
Others will correct me if I am wrong but I'm fairly sure BID (Bidirectional)
refers only to the strands within the cloth running at right angles to each
other. Therefore, peel ply would be bidirectional as pretty well all
clothing materials are to my knowledge.
If it is the type of weave you are referring to, then the BID cloth we use
has a twill weave which gives the appearance of having diagonal ribs and is
also what gives it the unique properties of being able to conform to almost
any shape.
As a point of interest, I cut my peel ply on the bias as I find this tends
to allow it to better fit shapes but not as good as the BID glass cloth of
course.
Cheers
Kingsley
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rparigor(at)suffolk.lib.n
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| Posted: Wed Nov 04, 2009 2:42 pm Post subject: Is there such a thing as bidirectional peel ply? |
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Hi Duncan"This material exists as 'biaxial' (i.e. bias-cut) finishing tape for fabric covered a/c, and is made of polyester/Ceconite/Stits/Polyfiber, much the same as peel ply. Because it is bias cut is will go around compound curves. The Polyfiber product may have been sized with silicone for the purpose of weaving the basic fabric, so good luck with that! "I have a large roll of brazier fabric, think it is polyester and if cut on bias follows curves pretty well. I tried it as peel ply, seemed to work until I tried to do a subsequent layup. It was removable easy enough, harder than stuff from ACS though. Must be coated with something, perhaps silicone? Anyway if it wasn't coated it would be OK. Just what is available from ACS with 1 over and 2 under weave I think would be worth trying. Need to know that there is no coating though. Since strands are small I don't think there would be a problem getting it off.Ron Parigoris [quote][b]
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grahamsingleton(at)btinte
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| Posted: Wed Nov 04, 2009 4:28 pm Post subject: Is there such a thing as bidirectional peel ply? |
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rparigor(at)suffolk.lib.ny.us wrote:
| Quote: | Hi Bob
"All peel ply is BID. Satin weave, I believe."
You may be right.
I was thinking along the lines of what Europa calls BID where the
weave is not an even number of under and over strands and it conforms
to odd shapes very well. I don't know what the precise description is
but think peelply that conforms better than what ACS sells would be
desirable. If a color other than white, even better.
Thx.
Ron
|
the BID is 2 by 2 Twill, 2 over 2 under, satin is 3x1 or something like
that.
Graham
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