ah that's where you're coming from (see my other comment) https://www.mollet.de/info/schuettdichte-und-schuettgewicht.html https://www.mollet.de/info/schuettdi

ah that's where you're coming from (see my other comment) https://www.mollet.de/info/schuettdichte-und-schuettgewicht.html https://www.mollet.de/info/schuettdichte-und-schuettgewicht.... iron and steel chips still are about 2 kg/l aluminum is 200g / l so one 55gal trash bin is still about 40 something kg, four dozen. so for aluminum and aluminum only it may be multiple trash bins