Planetary Ball Mill PM 400
Planetary Ball Mill PM 400 for size reduction with the highest degree of fineness powerful short grinding times reproducible results Learn more. ... 15 x 25 mm zirconium oxide grinding balls 30 min pre-grinding at 400 rpm 150 x 10 mm zirconium oxide grinding balls 16 h fine-grinding at 300 rpm. Hard-brittle: granite.
