Ole, you almost say you have been using butane, but not quite. If you have then what is your experience with it and do you smoke when you are opening a used container? I don't care what I use as long as it is available and doesn't cost $100.00 just for the tank to keep it in. So butane would be fine if it works. Or Dust off?
In searching for more info I found one person that stated that the tetanol protectan that everyone seems to have liked was actually propane and is still available outside the US...????