I really find this odd. I am practicing making sea for a miniature and bought some fresh Humbrol paints to do the job. I prepared some Plasticine, which I painted in a Liberon base coat, before applying a light gloss blue, which was well stirred before applying. Whilst still wet, I applied some Humbrol gloss dark blue, followed by a little gloss white. Happy with the result, I put it on one side to dry, but 24 hours later and it refuses to play the game. It is still very sticky.
This morning I tried again, only this time, on to put of the base coat, I only applied the light blue, again after stirring well. 10 hours later and it has not dried at all.
Any ideas what I am doing wrong? I did consider whether the base coat was not the right one, but can't really see that stopping the paint from drying?
Thanks in advance.