Epoxy Resin
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Twin_Turbo
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Did some investigating, apparently the eposy stuff wil adhere to smc even better if you treat it with a propane torch after grinding. Just let the blue part of the flame kiss the glass but move swiftly enough not to melt it. (move about 1/3 meter per second) Apply the epoxy and mat right after that. The binders in the mat will not dissolve but it will go into suspension. The mat fibers will get a milk like color.
I'll try this, if it don't work it's back to the drawing board
I'll try this, if it don't work it's back to the drawing board
Where did you hear that tip? I didn't think there was any problem using Epoxy on SMC panels. I haven't worked with SMC myself, but I know with regular mat the binders are only there to hold the chopped strands together so you can work with it in mat form. Once the polyester resin is applied the binders dissolve in the resin. Once the part is cured, there is no problem using epoxy over it. I'd assume the same is true of SMC panels as well. Have there been problems with Epoxy adhering to SMC panels?
Twin_Turbo
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West Systems Tech told me that. Still, ti does not mention anything about mechanically treating the surface.
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73383
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TWIN TURBO DOOD1
OK What would you use to fill the seams. Make my own long strand epoxy filler, or use epoxy based filler. The long strand filler would probably be stronger, but harder to work than regular (bondo type) epoxy filler. Main concern is no cracking down the road.
73383
OK What would you use to fill the seams. Make my own long strand epoxy filler, or use epoxy based filler. The long strand filler would probably be stronger, but harder to work than regular (bondo type) epoxy filler. Main concern is no cracking down the road.
73383
Twin_Turbo
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what seams? are you trying to minimize gaps between body panels? Your car is not SMC so I'd use as much fiberglass and polyester resin to build up the suirface. The less filler you use the less chance of cracking. Bondo is notorious for cracking, I wouldn't use more than about an 1/8" thick coat of it.
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73383
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TWIN TURBO
NO, NO, NO
My vette is a 73, it has SMC panels. I am installing a hood surround, L fender, and tail panel. Question was, after bonding parts together, what to fill the seams with. Back in the day we used body filler.
73383
NO, NO, NO
My vette is a 73, it has SMC panels. I am installing a hood surround, L fender, and tail panel. Question was, after bonding parts together, what to fill the seams with. Back in the day we used body filler.
73383
Twin_Turbo
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73 doesn't have SMC panels, 82 was the first to have SMC panels, C4's are entirely SMC.
Evercoat makes a bonding/surfacing putty that's better than bondo but handles similarly. Conveniently, it's called Vette Panel Adhesive Filler. It works on both SMC and regular polyester resin fiberglass panels.
http://www.evercoat.com/auto/SMC_plastic_repair.htm
It works on both SMC and regular polyester resin fiberglass panels.http://www.evercoat.com/auto/SMC_plastic_repair.htm
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