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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Cosmetic and Lighting Modifications (exterior/interior) > DRY CARBON vs WET CARBON



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      07-08-2008, 03:09 AM   #23
nusevad
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any possibility to make dry carbon grilles? I hate how the wet carbon grilles bubble up...
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      07-08-2008, 12:19 PM   #24
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informative post! thanks!
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      08-20-2008, 11:04 AM   #25
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M3 Dry Carbon Trunk Spoiler
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      08-24-2008, 04:32 PM   #26
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had no idea, awesome thanks for the info
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      08-25-2008, 10:27 AM   #27
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had no idea, awesome thanks for the info
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      09-24-2008, 12:19 PM   #28
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info
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      09-24-2008, 08:08 PM   #29
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hey adamaster, did you received my PM's I sent few days ago? it's regarding the CF interior trims.. Thanks!
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      09-25-2008, 04:53 AM   #30
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dry carbon does not necessarily mean it pre-preg. wit hthe resin and have to be frozed or cooked. dry carbon is a pross. called vacuum infusion of vacuum bagging

-Oshin P.
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      09-25-2008, 04:54 AM   #31
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there will be from a Co. Developing

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Quote:
Originally Posted by FifthStreetz View Post
any possibility to make dry carbon grilles? I hate how the wet carbon grilles bubble up...
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      09-25-2008, 05:30 AM   #32
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CF grill frame and Shark fin, will never buy them again-
personally i think wet CF its better then dry if they spend more time on it
for Dry Carbon about 50% are bad when they come out the mold lol
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      12-23-2008, 07:32 PM   #33
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Good post Ada!
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      01-03-2009, 10:11 PM   #34
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nice
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      02-17-2009, 08:57 PM   #35
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nice
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      02-18-2009, 12:12 AM   #36
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cool write up..
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      05-14-2009, 09:29 AM   #37
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Originally Posted by Jlevi SW View Post
Good post Ada!
Thanks .
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      05-14-2009, 02:13 PM   #38
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Quote:
Originally Posted by roadkillrob View Post
My layman's opinion is that if your being wet carbon, your basically buying fiberglass with prettier fabric in it! Dry Carbon Fiber is the original and correct way to lay carbon and it what gives it the strengh light weight and quality - wet carbon is what you can do in your garage and can look nice, but is basically just glorified fiberglass!
Just caught this - but yes, you're exactly right.
Strength is the same as fiberglass. Carbon fabric (that is not pre-preg or run through the autoclave) is just that... fabric basically. It's flexible and not strong at all, just like fiberglass fabric.

I always chuckle when people get all amped up about their "carbon fiber" hoods, when half of the time it is no stronger or better fitting than fiberglass, and is about 70% fiberglass and resin.

*Disclaimer* We do sell some wet-lay products such as grills and interior trims and such, but all of our aero and structural components (hoods, boots, etc) are all dry

Glad someone bumped this! Very informative.

Also, don't be confused...
Just because something is vacuum bagged and run through an oven DOES NOT mean it is Pre-preg or "dry" carbon fiber.
Here is an example of how wet lay is done with vacuum bagging and an autoclave:


Trying to find an example of pre-preg on video
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      10-15-2009, 09:19 AM   #39
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Quote:
Originally Posted by Jlevi SW View Post
Just caught this - but yes, you're exactly right.
Strength is the same as fiberglass. Carbon fabric (that is not pre-preg or run through the autoclave) is just that... fabric basically. It's flexible and not strong at all, just like fiberglass fabric.

I always chuckle when people get all amped up about their "carbon fiber" hoods, when half of the time it is no stronger or better fitting than fiberglass, and is about 70% fiberglass and resin.

*Disclaimer* We do sell some wet-lay products such as grills and interior trims and such, but all of our aero and structural components (hoods, boots, etc) are all dry

Glad someone bumped this! Very informative.

Also, don't be confused...
Just because something is vacuum bagged and run through an oven DOES NOT mean it is Pre-preg or "dry" carbon fiber.
Here is an example of how wet lay is done with vacuum bagging and an autoclave:


Trying to find an example of pre-preg on video


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      10-15-2009, 11:33 AM   #40
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great writeup
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      10-15-2009, 07:38 PM   #41
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I think this post is misleading. Prepreg is a great material and amazing way of doing things. However with QUALITY resin's, vacuum bagging, and heat curing a "wet" lay up will be about as strong as prepreg. Now without some individual tests I'd almost say it's just as strong. I've seen amazing parts both manufactured both ways. And to say that CF is not stronger than fiberglass is crazy if you use the proper resin.
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      12-08-2009, 09:53 AM   #42
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