+x oekmont - 5/3/2020 5:02:18 AMThere are three options:1:Temperature this is really only an option if you are working at a hot place. Try to work early, when temperature is still low (you should be at a very well ventilated place anyways)2:mekp ratio: most resins need 2% on paper, but usually you can get a little higher of lower (1-2,5%). However, you should try out if your resin still fully cures at lower percentages than recommended. There are slower hardener types than mekp, but it is hard to get them as a hobbyist.3:inhibitor. Again, it may be hard to get your hand on, but it is by far the easiest and most comfortable option to extend the pot life of polyester resins. Use the recommended mekp ratio and add a small amount of inhibitor to mix. You can easily double or quadruple the pot life of polyester resins (depending on the inhibitor percentage) without worrying about a full cure. As far as I know EC doesn't sell this (If someone is reading: you should try to add this to your shop, I am a great fan of this). I get mine athttps://www.phd-24.de/harze/polyesterharz/verzoegerer-inhibitor