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2-part epoxy primer pot life
Fishmore	#1  Posted on 03/07/10 - 11:23 PM
Member Personal Page Posts: 270 Comments: 0 Joined: 11/20/07	I am about to paint the interior of my Montauk and was wondering if anyone knows how long I can keep Interlux 2-part Epoxy Primekote after I mix it with the reactor? The reason I ask is because it requires 12 hours between coats and if I mix the whole quart can I may have some left over after the first coat and I am not sure if it will be usable for the second coat. I guess I could call the manufacturer but thought some one here may know.
Bake	#2  Posted on 03/08/10 - 4:18 AM
Member Personal Page Project Albums Posts: 902 Comments: 8 Joined: 01/30/06	I can't give you a time, but it is not going to be 12 hours and definitely not 24. Mix half and see how much you need to finish. You are going to have to sand it prior to paint so having it all mixed when you start is not that big a deal. I do not know if it is one to one mix or how you plan to apply, but my bet is it will take most of that quart anyway.
DWinter	#3  Posted on 03/08/10 - 4:22 AM
Member Personal Page Posts: 252 Comments: 0 Joined: 01/02/10	Check Interlux's website. They used to be pretty good about their instructions. On way to extend pot lif of any epoxy based material is to use it from a pie pan instead of a cup. The more surface area slows the curing process. Duane G Winter 1984 BW Sport 15 Center Console
chrepp	#4  Posted on 03/08/10 - 5:23 AM
Member Personal Page Posts: 80 Comments: 4 Joined: 06/02/08	I am not positive about the two part primer's pot life but I think it would be similar to the two part Perfection since they are both two part products. Here is the pot life times for the Perfection. Substrate Temp 41°F (5°C) 59°F (15°C) 73°F (23°C) 95°F (35°C) Pot Life 5hrs 3hrs 2hrs 1hr Touch Dry (ISO) 11hrs 7hrs 4hrs 3hrs It all depends on outside temp. A 5 hr. pot life at 41 deg and it goes down from there.
Fishmore	#5  Posted on 03/08/10 - 7:10 AM
Member Personal Page Posts: 270 Comments: 0 Joined: 11/20/07	Okay, thanks. I guess I will do the whole quart for the first coat and see where I end up. Then go from there. I am pretty sure that one quart will do the whole interior. The interior is all prepped and the cover is back on the boat. Just need a good day weather wise to apply the first coat of primer.
number9	#6  Posted on 03/08/10 - 7:58 AM
Member Posts: 210 Comments: 1 Joined: 03/13/08	Some of the stuff I've used started to set up pretty fast. I mixed several small batches during the prime jobs. Simple to mix and little to no waste. Their sit say 1-3 hour dry time depending upon temp. Bill...On the Ogeechee 1984 Outrage 18...Yamaha T50...that's right, 50hp
Josey Whaler	#7  Posted on 03/09/10 - 7:30 AM
Member Posts: 77 Comments: 1 Joined: 05/28/08	DWinter makes a very good point. I have found 2 part epoxies, when mixed in a cup (or quart can) set up very fast and generate a fair amount of heat (enough to burn with some epoxies). Use a shallow mixing basin.