So I got the bright idea(from someone else) of coating some fiberglass resin on on of my 550 wrap job. I mixed the hardener and resin per directions. I put on a good goating, not too heavy , not too light. My question is, how long does this stuff take to dry? The bit I mixed inside the bowl hardened fast. The paracord two hours in is still tacky.
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Fiberglass Resin on 550 Paracord
- Thread starter Crybaby
- Start date
- Joined
- Aug 7, 2013
- Messages
- 405
24-48 hours if im not mistaken and i dont believe its so much of a drying time as it is a curing time.
- Joined
- Aug 7, 2013
- Messages
- 405
Any time my friend.
- Joined
- Jun 14, 2013
- Messages
- 10
Epoxy resins cure, as stated. That curing is a chemical reaction and is controlled by temperature. Warm it up, it goes off faster, cool it down and it takes longer. It is also an exothermic reaction- as it cures heat is produced as a by-product. In the bowl you had a relatively large volume of epoxy in one spot so the curing process warmed up the epoxy, speeding up the cure and producing more heat in the process. A large volume of laminating resin in a dense mass (like a deep cup, not a flat dish) can "exotherm"-- a runaway reaction that can go well above boiling and into smoke and fire.
On the paracord it was thin so the heat from the reaction bled off into the environment, what you saw was the real time it takes to cure at whatever ambient temperature it was at. In the winter in my shop, 5 minute epoxy is more like 15, even with the heat on!
On the paracord it was thin so the heat from the reaction bled off into the environment, what you saw was the real time it takes to cure at whatever ambient temperature it was at. In the winter in my shop, 5 minute epoxy is more like 15, even with the heat on!
it dried so fast in bowl but not on the paracord, but apparently that has something to do with curing. Thanks again for the input.