#### Size reduction with Planetary Ball Mills

PLANETARY BALL MILLS 7 Floor models PM 400 and PM 400 MA Type PM 400 The robust floor model PM 400 with 4 grinding stations for grinding jars with a nominal volume of 12 to 500 ml It can grind up to 8 samples simultaneously down to the submicron range thus gen erating a high sample throughput The PM 400 is also available with 2 grinding stations The freely selectable speed from 30 to 400