Fritsch grinding ball 20 mm silicon nitride

General material specification: Material: Silicon nitride - Si 3 N 4 Abrasion resistance: extremely good Use for: abrasive samples, iron-free grinding Detailed information on the material can be found under directional analyses Recommended number of balls per grinding bowl Grinding bowl 500 ml 250 ml 80 ml Useful capacity (material to be ground) 80 - 225 ml 30 - 125 ml 10 - 30 ml Balls Ø 20 mm 25 15 5