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Old 01-14-2001, 09:51 AM   #1
Bassem
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Post ne1 know where to buy prepreg CF sheets?

as the topic heading says, i'm interested in picking up a roll of prepreg carbon fiber sheeting. if anyone has an idea of where to pick it up from, please by kind and share the info with me

thanks,
bassem
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Old 01-14-2001, 11:13 AM   #2
Jon Bogert
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I looked into this a few weeks ago. Just do a Google search and a bunch of sites come up.

What put me off the idea of playing around with the stuff is the requirement that it be stored at 0o F. So you not only need an autoclave, you need a big freezer.

Do you have all the equipment? Where in PA are you?
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Old 01-14-2001, 01:08 PM   #3
ArcticWRX
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Found a few links too...

http://www.ppg.com (conveniently located in Pittsburgh too!!)

http://www.dmoz.org/business/industr...als/composites

This one should keep you busy for awhile !!

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Old 01-14-2001, 01:39 PM   #4
Gerry
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I forgot this one..I ordered carbon from here before..They have 1" thick sheets if you need it..www.vacuumbagging.com....Gerry
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Old 01-14-2001, 01:43 PM   #5
Bassem
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thanks arcticwrx. you're spot on about what i was thinking regarding application. just lay it down, coat of resin and let it harden.

i have quite a few feet of woven carbon fabric, but the problem is keeping it rigid enough is quite a pain. my understanding is that prepreg will be somewhat stiffer in nature, allowing it to be much easier to lay down and take form. total porject will be 4-7 pieces. tranny tunnel. floor. rear bench.

maybe a gauge mounting plate or something too. have to decide on that as well pretty soon.

bassem
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Old 01-14-2001, 02:14 PM   #6
gavin
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fiberglass is much easier to work with than CF, and you can get it just about anywhere.
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Old 01-14-2001, 02:22 PM   #7
subystyle
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Lightbulb

Bassem- the prepreg stuff has to be heated in an oven and vaccuum bagged. Depending on how big of a sheet you need? A two layer sheet is pretty flexible. As you know they weigh nothing so the only expense in shipping would be the size.If you are interested, let me know and I can get pricing for you. It looks a little different than the dash piece I sent you. But I think it would work well for what you want to do. Cya, Gary
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Old 01-14-2001, 02:29 PM   #8
CosmoTheCat
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Gavin - It's just not as cool.
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Old 01-14-2001, 04:03 PM   #9
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its also what i do all day long
prepreg is ecactly that
pre impregnated with resin
you cannot slop resin on it.
i think what you are looking for it soem dry weave then put your resin on after ,be it epoxy ,polyester or vinalester.
prepreg must be bagged at least and cured in a oven at least at 190-25o depending on the resin system. email me if you have more questions
[email protected]
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Old 01-14-2001, 04:41 PM   #10
Bassem
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what i was planning on doing is brushing hardner on (not resin, i r retard sometimes). price will dictate everything. so far it seems far more economical to get a few yards of 3x-3x hex weave and some room temp resin/hardner from fibergalst.com. total costs for what i'm looking for is in the order of 400 bucks so far for ten yards x 50" + resin/hardner.

remember the finish does not have to be nice in the tactile sense. just solid and even. besides, this is a learning experience for me.

thanks for the heads up though regarding prepreg kartboy. i wasn't sure about that.

gary, i'll send you an email.

bassem
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Old 01-14-2001, 06:31 PM   #11
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for the price you are looking at there isn't a real way your going to fine Prepreg i believe the stuff we use is about 75.00 a linear yard and only 0.01 nom thickness.


good luck and take pictures
tom

[This message has been edited by kartboy (edited January 14, 2001).]
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Old 01-14-2001, 07:31 PM   #12
XT6Wagon
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Kartboy, what would I need to make a CF copy of my hood on the old wagon? Also how hard is it to do if you have no experence or tools right now?

I got a book that covers composites, but its a little loose on the how to for people w/o a composites shop.
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Old 01-15-2001, 12:04 AM   #13
Gerry
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Here you go..Just check under products. http://www.selectproducts.com/frameindex.htm
....Gerry
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Old 01-15-2001, 12:32 AM   #14
Bassem
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i'm in pittsburgh. quite a bit away eh? thanks for the link gerry, but that stuff listed for installers etc.. is quite expensive. i was trying to get something from an industrial site and use an educational discount (hopefully )

edit: also i just noticed that that stuff is quite layed up and pretty (=heavy as well with lotsa resin). ultimate looks is not what i'm after in this case. i just want something to cover up my bare floor and tunnel with, as well as make flat pieces out of. thanks though!

bassem

[This message has been edited by Bassem (edited January 14, 2001).]
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Old 01-15-2001, 12:58 AM   #15
ArcticWRX
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Here's a couple ideas that might be of help... I'm in the aircraft industry, and just about all prepreg material (CF, kevlar, etc) has a shelf life. Once the shelf life has expired, none of the material is legal for use on an aircraft or component. I've heard of smaller manufacturers selling off old prepregs for cheap because they can't use them...

Also, it sounds like you're just doing some interior dress-up, in which case you wouldn't need an autoclave or anything because the material won't be of a structural nature. You would just need to lay it on and plaster on a coat of resin to seal everything.

One last thing, if all the CF is for is looks, maybe look for raw woven sheet that could just be glued into place with a layer of resin!! The raw stuff will be way cheaper than prepregs !!

Post some pics when you're done too, this sounds interesting !!

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