Originally Posted by Jizm
Don't fanny about as it goes off pretty quick.
Yes, depends on the catalyst ratio too. I was given a small amount in jars to do a transom and the ratio was off a bit. It set in 15 minutes and melted the pots - c/w fumes and popping.
A tip for small quantities. Prep and mark up the work. Spilt the material in two lots and mix one. Go hell for leather on one side, aiming to do half the job. If you don't quite make it, you know what you have to make up on the second shot