Chrome steel has a density of 7.9g/cc (used mostly for grinding leaves). Beads are sold in one pound bottles.
Cat. No. 11079113c 1.3mm dia
Cat. No. 11079123c 2.3mm dia
Cat. No. 11079132c 3.2mm dia
Cat. No. 11079635c 6.35mm dia
With either stainless steel or chrome steel beads, common polypropylene microvials will break if 'dry' grinding or cryo-grinding is attempted. In this case, our stainless steel microvials with silicone rubber caps or our XXTuff poly vials are recommended.