- Tungsten carbide (WC) grinding jar for producing extreme size reduction of hard, abrasive substances and for long-term use with substances free of heavy metals, including minerals with a Mohrs hardness greater than 6
- For use with PM 100, PM 200, and PM 400 series planetary ball mills (sold separately)
- Approximate hardness of 1180 to 1280 HV 30
- Material analysis (in percent): WC (94), Co (6)
- 125mL capacity
