I've left the mixed ZFX in the garage overnight where it gets down to about 40 degrees. I then went out in the morning, fired up the heater, (the heater not A heater.

) and proceeded to apply the mixed product to the paint. It worked just fine. There was barely enough there to do the hood and front fenders of the truck I was worknig on, but it wasn't hard. I have seen it curdle and cure. I didn't clean out a bottle and the residual got to the unworkable point in the summer fairly quick.
Maybe mixed product could be put in the fridge for the night, then used again. As I said in my previous post, I like the Z1Z2 process better, much slicker IMO. Plus, the only added step is gonig aroun dt he car with the Z1, it's not like you have to wipe off the Z1, just go right over the top.
Oh and as far as the "off the hook Zaino fanatics". Yeah I see them everywhere. I think they really jsut love the product so much they don't quite know a polite way to get others to try it. Too bad really. Some of the zealots really turn off other customers. I agre that Sal wouldnt' apporve of some conversations. Where else can you call the customer help line and talk to the creator himself and he actually wants to help!? (ok, maybe a couple other places... but you dont' see Barry Meguire answering the tech line!)
Zaino, it's not just a sealant.... its a religion!
(Please give generously at the door! )