Dry vs. Wet
11-05-2007, 01:43 PM
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Dry vs. Wet
im not so educated on carbon fiber other than i know it weighs less than its oem counterparts. so i was wondering as i am looking to get a gt wing, what is better, dry carbon or wet carbon? it looks like the wet weighs more but its more expensive. could someone with knowledge on the matter help me out with not just wings but bonnets hatch backs and so on. like what is more strong, or durable and best for the price.
11-05-2007, 01:48 PM
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wet carbon is cheaper because it required proper vacuum and heat control to sit properly. its dry carbon is usually lighter and stronger. you've got it the other way around buddy.
"For simple pieces that relatively few copies are needed of (1–2 per day) a vacuum bag can be used. A fiberglass or aluminum mold is polished, waxed, and has a release agent applied before the fabric and resin are applied and the vacuum is pulled and set aside to allow the piece to cure (harden). There are two ways to apply the resin to the fabric in a vacuum mold. One is called a wet layup, where the two-part resin is mixed and applied before being laid in the mold and placed in the bag. The other is a resin induction system, where the dry fabric and mold are placed inside the bag while the vacuum pulls the resin through a small tube into the bag, then through a tube with holes or something similar to evenly spread the resin throughout the fabric. Wire loom works perfectly for a tube that requires holes inside the bag. Both of these methods of applying resin require hand work to spread the resin evenly for a glossy finish with very small pin-holes. A third method of constructing composite materials is known as a dry layup. Here, the carbon fiber material is already impregnated with resin (pre-preg) and is applied to the mold in a similar fashion to adhesive film. The assembly is then placed in a vacuum to cure. The dry layup method has the least amount of resin waste and can achieve lighter constructions than wet layup. Also, because larger amounts of resin are more difficult to bleed out with wet layup methods, prepreg parts generally have fewer pinholes. Pinhole elimination with minimal resin amounts generally require the use of autoclave pressures to purge the residual gasses out."
"For simple pieces that relatively few copies are needed of (1–2 per day) a vacuum bag can be used. A fiberglass or aluminum mold is polished, waxed, and has a release agent applied before the fabric and resin are applied and the vacuum is pulled and set aside to allow the piece to cure (harden). There are two ways to apply the resin to the fabric in a vacuum mold. One is called a wet layup, where the two-part resin is mixed and applied before being laid in the mold and placed in the bag. The other is a resin induction system, where the dry fabric and mold are placed inside the bag while the vacuum pulls the resin through a small tube into the bag, then through a tube with holes or something similar to evenly spread the resin throughout the fabric. Wire loom works perfectly for a tube that requires holes inside the bag. Both of these methods of applying resin require hand work to spread the resin evenly for a glossy finish with very small pin-holes. A third method of constructing composite materials is known as a dry layup. Here, the carbon fiber material is already impregnated with resin (pre-preg) and is applied to the mold in a similar fashion to adhesive film. The assembly is then placed in a vacuum to cure. The dry layup method has the least amount of resin waste and can achieve lighter constructions than wet layup. Also, because larger amounts of resin are more difficult to bleed out with wet layup methods, prepreg parts generally have fewer pinholes. Pinhole elimination with minimal resin amounts generally require the use of autoclave pressures to purge the residual gasses out."
11-05-2007, 02:41 PM
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better for what? if you really want performance then go dry carbon which is going to cost you quite a bit more. if you just want look then go with wet carbon which won't save you anything but give you that great sexy look...
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11-05-2007, 04:49 PM
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read the stickies at the top of this forum
https://my350z.com/forum/exterior-and-interior/222328-carbon-talk-interested-in-learning-more-about-automotive-cf-parts.html
https://my350z.com/forum/exterior-and-interior/222328-carbon-talk-interested-in-learning-more-about-automotive-cf-parts.html
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