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I finally tested my ball-milled BP. I found that by using 1/3 of the media I had and 50g of mixture I got much, much better results than with all the media and 100g - even though it only takes up a tiny little bit of the huge barrel!
Anyway, couple of questions. My powder is grey - I was expecting it to be black or greeny-black but it's very much a lovely grey colour. Any ideas why?
Also my powder burns very quickly and extremely brightly but it leaves behind a bit of white residue. Does this mean that there is too much KNO3 or perhaps that it isn't milled for long enough?
I milled it for 15 hours.
Cheers
Topics I've Started
Homemade ball mill - is coke bottle ok to use?
05 December 2003 - 10:58 PM
I've decided that I'm going to make my own ball mill as 5 minutes in the old mortar and pestle just doesn't cut it.
The only thing I'm concerned about is what to use for the jar. I was thinking that a coke bottle might be enough?
The only problem I thought about was that it might create static?
I presume it won't wear down with just lead balls in it.
Oh and I'm sorry if this has been discussed before but I searched for it and couldn't find anything.
