Originally Posted by
cyccommute
The SDS says that the solvent is naphtha. Proportion of solvent needed might be hard to judge. Mineral spirits will probably work. The low flash point, odored version would be better but is hard to find. Try a test on some before adding it to the whole can.
A little OMS seemed to do the trick. I mixed a bit an a baby food jar, and it mixed up ok so I added some directly to the can. Kept adding ~10ml at a time until it reached what seemed like a good working consistency. I'll try to remember to report back how it holds up over time.