vacpurge
New Member
evaporate all the butane off outside, then I boil some water on the stove, or just below boiling point. the set the oil dish into the dish of boiling water and watch the oil bubble... essentially getting the bowl real hot.
you can also spread it out very very thin and put it in the oven at a very low temp (not sure exactly) and monitor it.
I have been doing it (wrong some would say) for years without a vacuum, and possible under purging. as have thousands of others. its not critical that you use a vacuum. I would estimate that if you do the very hot water trick to cook off the butane, it gets around 97% of it out. then if you put it in the oven or boiling water after all the visible butane is gone and its an oil not a liquid. it gets it to near 99% I would estimate. then the vacuum purge takes out that final 1 or 2% and makes it super pure.
time is pretty important, as well as keeping it constantly hot/warm (approx 100F), and thinned out over a large surface area. thin it out, put it in oven at 90-120F or so for maybe an hour or 2 (monitor it just in case) and see how that turns out. should be good enough to go by then (by my standards... im no hippy though. 98-99% is good enough for me)
you can also spread it out very very thin and put it in the oven at a very low temp (not sure exactly) and monitor it.
I have been doing it (wrong some would say) for years without a vacuum, and possible under purging. as have thousands of others. its not critical that you use a vacuum. I would estimate that if you do the very hot water trick to cook off the butane, it gets around 97% of it out. then if you put it in the oven or boiling water after all the visible butane is gone and its an oil not a liquid. it gets it to near 99% I would estimate. then the vacuum purge takes out that final 1 or 2% and makes it super pure.
time is pretty important, as well as keeping it constantly hot/warm (approx 100F), and thinned out over a large surface area. thin it out, put it in oven at 90-120F or so for maybe an hour or 2 (monitor it just in case) and see how that turns out. should be good enough to go by then (by my standards... im no hippy though. 98-99% is good enough for me)