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EPOXY....Are there good and bad ones ?

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EPOXY....Are there good and bad ones ?

Old 08-23-2002, 01:58 PM
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Default EPOXY....Are there good and bad ones ?

Was just wondering if some Epoxys are better quality and have good or bad habits while curing or once set ? I have figured out that really none of them cures in the minutes they indicate. How long do they last before turning bad ? Or don't they turn bad at all ? Is there a difference in strenght when the Epoxy gets older ? How does the Epoxy get affected by thinning down with denatured alcohol in order to slow down the curing process ?
I am using the Great Planes Epoxy and like it. Maybe I have been wrong the whole time
Would like to hear the experts on this. Thanks
Old 08-23-2002, 06:55 PM
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Default EPOXY....Are there good and bad ones ?

Epoxy will go bad I had 5 gallons of Saf-t-poxy that went bad before I could use it all but small bottles get used up before going bad I would expect. I once had a very experienced epoxy layup man tell me not to use alcohol to thin epoxy he said styrene was the only good choice.
Old 08-24-2002, 01:42 AM
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Default EPOXY....Are there good and bad ones ?

If you want to use the best in epoxies, go buy yourself a kit of West System (either the fast or slow hardener, or both) epoxy and the other items (fillers, etc) I have used many brands of epoxy and thats the only one I will swear by! It is the industry standard in mant trades and you can buy a quart size kit that comes with pre-mesured pumps. No measuring, allways cures in the specified times and never a problem! It has a shelf life >10 yrs tested! Buy a gallon kit and it will last a long time. Their low density fairing filler and coloidal silica are two excellent fillers for making fillets and filling, and laminating, etc. Just get some info and their free literature and it describes all their different products that work together.


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