1 litre will make about 10 TBs or 2 HHGs, depending on size of course.
These are the same filings that we use in our orgonite.
There are traces of brass and copper and maybe some steel in it as well.
We recommend to order these only if you haven't found an adequate supplier of larger quantities in your area, as aluminium filings are ususally cheaper to souce locally in large amounts.